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/sscanf.c b/libc/stdio/sscanf.c
index e141eec..a0bdf1c 100644
--- a/libc/stdio/sscanf.c
+++ b/libc/stdio/sscanf.c
@@ -48,7 +48,7 @@
 sscanf(const char *str, const char *fmt, ...)
 {
 	int ret;
-  va_list ap;
+	va_list ap;
 	FILE f;
 	struct __sfileext fext;
 
@@ -60,6 +60,6 @@
 	f._lb._base = NULL;
 	va_start(ap, fmt);
 	ret = vfscanf(&f, fmt, ap);
-  va_end(ap);
+	va_end(ap);
 	return (ret);
 }