Bug #18592390 QUERY TO I_S.TABLES AND I_S.COLUMNS LEADS TO HUGE MEMORY USAGE

As part of the fix find_files() prototype has been modified and
mysql-cluster uses find_files() function. Hence modified find_files() call
in ha_ndbcluster_binlog.cc file to make mysql-cluster build successful.

sql/ha_ndbcluster_binlog.cc

 /*
-  Copyright (c) 2006, 2013, Oracle and/or its affiliates. All rights reserved.
+  Copyright (c) 2006, 2015, Oracle and/or its affiliates. All rights reserved.
 
   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
@@ -2542,7 +2542,8 @@ ndbcluster_check_if_local_tables_in_db(THD *thd, const char *dbname)
   char path[FN_REFLEN + 1];
 
   build_table_filename(path, sizeof(path) - 1, dbname, "", "", 0);
-  if (find_files(thd, &files, dbname, path, NullS, 0) != FIND_FILES_OK)
+  if (find_files(thd, &files, dbname, path, NullS, 0, NULL) !=
+      FIND_FILES_OK)
   {
     DBUG_PRINT("info", ("Failed to find files"));
     DBUG_RETURN(true);