Fix mixed tab/spaces indentation [skip ci]

Author: kleisauke

system/lib/libc/musl/src/time/__tz.c

@@ -142,7 +142,7 @@ static void do_tzset()
 
 	s = getenv("TZ");
 #ifdef __EMSCRIPTEN__ // XXX Emscripten ignore default timezone from filesystem
-  if (!s || !*s) s = __utc;
+	if (!s || !*s) s = __utc;
 #else
 	if (!s) s = "/etc/localtime";
 	if (!*s) s = __utc;
@@ -444,7 +444,7 @@ const char *__tm_to_tzname(const struct tm *tm)
 	LOCK(lock);
 	do_tzset();
 #ifdef __EMSCRIPTEN__ // XXX Emscripten ignore default timezone from filesystem
-  if (p != __utc && p != __tzname[0] && p != __tzname[1])
+	if (p != __utc && p != __tzname[0] && p != __tzname[1])
 #else
 	if (p != __utc && p != __tzname[0] && p != __tzname[1] &&
 	    (!zi || (uintptr_t)p-(uintptr_t)abbrevs >= abbrevs_end - abbrevs))