Fix compiler warning/crash(ds20)

ndb/src/kernel/blocks/dbdict/Dbdict.cpp:
  Moved ndbrequire and break down one line, to avoid warnings and compiler crash

ndb/src/kernel/blocks/dbdict/Dbdict.cpp

@@ -2245,10 +2245,10 @@ void Dbdict::checkSchemaStatus(Signal* signal)
 	  restartCreateTab(signal, tableId, oldEntry, false);
           return;
         }//if
+      }
       ndbrequire(ok);
       break;
     }
-    }
     case SchemaFile::DROP_TABLE_STARTED:
       jam();
     case SchemaFile::DROP_TABLE_COMMITTED:{