Max scheduled workflow limit configured as Globals

modules/com_vtiger_workflow/VTWorkflowManager.inc

@@ -111,8 +111,8 @@ class VTWorkflowManager{
* @return int
*/
function getMaxAllowedScheduledWorkflows() {
-        global $max_scheduled_workflows;
-		return $max_scheduled_workflows;
+            vglobal('max_scheduled_workflows', 10);
+            return vglobal('max_scheduled_workflows');
}
function getWorkflowsForModule($moduleName){