Replace 8-spaces indentation with tab

8-space indentation looks completely alien here.
One should use either 4-spaces indentation or tab symbol.
Tab is more popular in system projects so use it here as well.

Change-Id: Ibfdb4b2a49996453731fc1e8bbefa158bde49e28
diff --git a/ext4_utils/make_ext4fs_main.c b/ext4_utils/make_ext4fs_main.c
index d616c6d..4e13ffa 100644
--- a/ext4_utils/make_ext4fs_main.c
+++ b/ext4_utils/make_ext4fs_main.c
@@ -30,115 +30,115 @@
 
 static void usage(char *path)
 {
-        fprintf(stderr, "%s [ -l <len> ] [ -j <journal size> ] [ -b <block_size> ]\n", basename(path));
-        fprintf(stderr, "    [ -g <blocks per group> ] [ -i <inodes> ] [ -I <inode size> ]\n");
-        fprintf(stderr, "    [ -L <label> ] [ -f ] [ -a <android mountpoint> ]\n");
-        fprintf(stderr, "    [ -z | -s ] [ -t ] [ -w ] [ -c ] [ -J ]\n");
-        fprintf(stderr, "    <filename> [<directory>]\n");
+	fprintf(stderr, "%s [ -l <len> ] [ -j <journal size> ] [ -b <block_size> ]\n", basename(path));
+	fprintf(stderr, "    [ -g <blocks per group> ] [ -i <inodes> ] [ -I <inode size> ]\n");
+	fprintf(stderr, "    [ -L <label> ] [ -f ] [ -a <android mountpoint> ]\n");
+	fprintf(stderr, "    [ -z | -s ] [ -t ] [ -w ] [ -c ] [ -J ]\n");
+	fprintf(stderr, "    <filename> [<directory>]\n");
 }
 
 int main(int argc, char **argv)
 {
-        int opt;
-        const char *filename = NULL;
-        const char *directory = NULL;
-        char *mountpoint = "";
-        int android = 0;
-        int gzip = 0;
-        int sparse = 0;
-        int crc = 0;
-        int wipe = 0;
-        int init_itabs = 0;
+	int opt;
+	const char *filename = NULL;
+	const char *directory = NULL;
+	char *mountpoint = "";
+	int android = 0;
+	int gzip = 0;
+	int sparse = 0;
+	int crc = 0;
+	int wipe = 0;
+	int init_itabs = 0;
 
-        while ((opt = getopt(argc, argv, "l:j:b:g:i:I:L:a:fwzJsct")) != -1) {
-                switch (opt) {
-                case 'l':
-                        info.len = parse_num(optarg);
-                        break;
-                case 'j':
-                        info.journal_blocks = parse_num(optarg);
-                        break;
-                case 'b':
-                        info.block_size = parse_num(optarg);
-                        break;
-                case 'g':
-                        info.blocks_per_group = parse_num(optarg);
-                        break;
-                case 'i':
-                        info.inodes = parse_num(optarg);
-                        break;
-                case 'I':
-                        info.inode_size = parse_num(optarg);
-                        break;
-                case 'L':
-                        info.label = optarg;
-                        break;
-                case 'f':
-                        force = 1;
-                        break;
-                case 'a':
-                        android = 1;
-                        mountpoint = optarg;
-                        break;
-                case 'w':
-                        wipe = 1;
-                        break;
-                case 'z':
-                        gzip = 1;
-                        break;
+	while ((opt = getopt(argc, argv, "l:j:b:g:i:I:L:a:fwzJsct")) != -1) {
+		switch (opt) {
+		case 'l':
+			info.len = parse_num(optarg);
+			break;
+		case 'j':
+			info.journal_blocks = parse_num(optarg);
+			break;
+		case 'b':
+			info.block_size = parse_num(optarg);
+			break;
+		case 'g':
+			info.blocks_per_group = parse_num(optarg);
+			break;
+		case 'i':
+			info.inodes = parse_num(optarg);
+			break;
+		case 'I':
+			info.inode_size = parse_num(optarg);
+			break;
+		case 'L':
+			info.label = optarg;
+			break;
+		case 'f':
+			force = 1;
+			break;
+		case 'a':
+			android = 1;
+			mountpoint = optarg;
+			break;
+		case 'w':
+			wipe = 1;
+			break;
+		case 'z':
+			gzip = 1;
+			break;
 		case 'J':
 			info.no_journal = 1;
 			break;
 		case 'c':
 			crc = 1;
 			break;
-                case 's':
-                        sparse = 1;
-                        break;
-                case 't':
-                        init_itabs = 1;
-                        break;
-                default: /* '?' */
-                        usage(argv[0]);
-                        exit(EXIT_FAILURE);
-                }
-        }
-
-	if (gzip && sparse) {
-                fprintf(stderr, "Cannot specify both gzip and sparse\n");
-                usage(argv[0]);
-                exit(EXIT_FAILURE);
+		case 's':
+			sparse = 1;
+			break;
+		case 't':
+			init_itabs = 1;
+			break;
+		default: /* '?' */
+			usage(argv[0]);
+			exit(EXIT_FAILURE);
+		}
 	}
 
-        if (wipe && sparse) {
-                fprintf(stderr, "Cannot specifiy both wipe and sparse\n");
-                usage(argv[0]);
-                exit(EXIT_FAILURE);
-        }
+	if (gzip && sparse) {
+		fprintf(stderr, "Cannot specify both gzip and sparse\n");
+		usage(argv[0]);
+		exit(EXIT_FAILURE);
+	}
 
-        if (wipe && gzip) {
-                fprintf(stderr, "Cannot specifiy both wipe and gzip\n");
-                usage(argv[0]);
-                exit(EXIT_FAILURE);
-        }
+	if (wipe && sparse) {
+		fprintf(stderr, "Cannot specifiy both wipe and sparse\n");
+		usage(argv[0]);
+		exit(EXIT_FAILURE);
+	}
 
-        if (optind >= argc) {
-                fprintf(stderr, "Expected filename after options\n");
-                usage(argv[0]);
-                exit(EXIT_FAILURE);
-        }
+	if (wipe && gzip) {
+		fprintf(stderr, "Cannot specifiy both wipe and gzip\n");
+		usage(argv[0]);
+		exit(EXIT_FAILURE);
+	}
 
-        filename = argv[optind++];
+	if (optind >= argc) {
+		fprintf(stderr, "Expected filename after options\n");
+		usage(argv[0]);
+		exit(EXIT_FAILURE);
+	}
 
-        if (optind < argc)
-                directory = argv[optind++];
+	filename = argv[optind++];
 
-        if (optind < argc) {
-                fprintf(stderr, "Unexpected argument: %s\n", argv[optind]);
-                usage(argv[0]);
-                exit(EXIT_FAILURE);
-        }
+	if (optind < argc)
+		directory = argv[optind++];
 
-        return make_ext4fs_internal(filename, directory, mountpoint, android, gzip,
-                       sparse, crc, wipe, init_itabs);
+	if (optind < argc) {
+		fprintf(stderr, "Unexpected argument: %s\n", argv[optind]);
+		usage(argv[0]);
+		exit(EXIT_FAILURE);
+	}
+
+	return make_ext4fs_internal(filename, directory, mountpoint, android, gzip,
+			sparse, crc, wipe, init_itabs);
 }