compiler warning

way-too-smart compilers don't like the "confusing indentation"

sql/item_sum.cc

@@ -3429,7 +3429,7 @@ Item_func_group_concat::fix_fields(THD *thd, Item **ref)
          args[i]->fix_fields(thd, args + i)) ||
         args[i]->check_cols(1))
       return TRUE;
-      with_subselect|= args[i]->with_subselect;
+    with_subselect|= args[i]->with_subselect;
   }
 
   /* skip charset aggregation for order columns */