[fix] Correct indent

salt/common/tools/sbin/so-rules

@@ -426,7 +426,7 @@ def main():
   
 
   if hasattr(args, 'func'):
-  exit_code = args.func(args)
+    exit_code = args.func(args)
   else:
     if args.command is None:
       main_parser.print_help()