Update modules/exploits/linux/http/xorcom_completepbx_scheduler.rb

Co-authored-by: jheysel-r7 <[email protected]>

Author: Chocapikk

modules/exploits/linux/http/xorcom_completepbx_scheduler.rb

@@ -240,6 +240,7 @@ def exploit
     task_desc = create_task(sid_cookie)
     task_id = get_latest_task_id(sid_cookie, task_desc)
     run_task(sid_cookie, task_id)
-    delete_task(sid_cookie, task_id)
+  ensure
+    delete_task(sid_cookie, task_id) if task_id
   end
 end