found problem removed

sql/sql_parse.cc:
  allow query_tables_own_last work correctly
sql/table.cc:
  fixed returning value for libmysqld

sql/sql_parse.cc

@@ -1767,6 +1767,8 @@ bool dispatch_command(enum enum_server_command command, THD *thd,
     /* Saved variable value */
     my_bool old_innodb_table_locks= 
               IF_INNOBASE_DB(thd->variables.innodb_table_locks, FALSE);
+    /* used as fields initializator */
+    lex_start(thd, 0, 0);
 
 
     statistic_increment(thd->status_var.com_stat[SQLCOM_SHOW_FIELDS],

sql/table.cc

@@ -2538,11 +2538,11 @@ bool st_table_list::prepare_security(THD *thd)
       tbl->table->grant= grant;
   }
   thd->security_ctx= save_security_ctx;
-  DBUG_RETURN(FALSE);
 #else
   while ((tbl= tb++))
     tbl->grant.privilege= ~NO_ACCESS;
 #endif
+  DBUG_RETURN(FALSE);
 }