Fixes #1630 Migration issue to update userlabel fixed

modules/Migration/schema/730_to_740.php

@@ -38,7 +38,7 @@ if (defined('VTIGER_UPGRADE')) {
$entityFields = Vtiger_Functions::getEntityModuleInfo($moduleName);
$entityFieldNames  = explode(',', $entityFields['fieldname']);
-    $sql = "UPDATE vtiger_users SET $fieldName = TRIM(CONCAT(".implode(' ', $entityFieldNames)."))";
+    $sql = "UPDATE vtiger_users SET $fieldName = TRIM(CONCAT_WS(' ',".implode(',', $entityFieldNames)."))";
$db->pquery($sql, array());
Vtiger_Access::syncSharingAccess();