cosmetics: indentation fix

git-svn-id: file:///var/local/repositories/ffmpeg/trunk@10115 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

ffplay.c

@@ -2518,7 +2518,7 @@ void show_help(void)
 void parse_arg_file(const char *filename)
 {
     if (!strcmp(filename, "-"))
-                    filename = "pipe:";
+        filename = "pipe:";
     input_filename = filename;
 }