improve readability of stdio: fix indentation and remove trailing spaces

Change-Id: Ic51e58a7c75d20bf770dc0ebd7f97a338fbe0036
Signed-off-by: André Goddard Rosa <andre.goddard@gmail.com>
diff --git a/libc/stdio/findfp.c b/libc/stdio/findfp.c
index a55a65d..039293f 100644
--- a/libc/stdio/findfp.c
+++ b/libc/stdio/findfp.c
@@ -50,7 +50,7 @@
 /*	 p r w flags file _bf z  cookie      close    read    seek    write
 	 ext */
 
-				/* the usual - (stdin + stdout + stderr) */
+/* the usual - (stdin + stdout + stderr) */
 static FILE usual[FOPEN_MAX - 3];
 static struct __sfileext usualext[FOPEN_MAX - 3];
 static struct glue uglue = { 0, FOPEN_MAX - 3, usual };