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/snprintf.c b/libc/stdio/snprintf.c
index e830c0f..45ef7eb 100644
--- a/libc/stdio/snprintf.c
+++ b/libc/stdio/snprintf.c
@@ -40,7 +40,7 @@
 int
 snprintf(char *str, size_t n, const char *fmt, ...)
 {
-  va_list ap;
+	va_list ap;
 	int ret;
 	char dummy;
 	FILE f;
@@ -61,7 +61,7 @@
 	f._bf._size = f._w = n - 1;
 	va_start(ap, fmt);
 	ret = vfprintf(&f, fmt, ap);
-  va_end(ap);
+	va_end(ap);
 	*f._p = '\0';
 	return (ret);
 }