remove a code to finish job requests when winix exits

Actually there was a bug and the code was not correctly waiting for the job requests.

winixd/core/job.h

@@ -138,6 +138,7 @@ private:
 	void DoRequestContinuationJob(JobTask & job_task, size_t priority);
 	void DoWinixJob(pt::Space & job);
 	void RemoveOldRequest(Request * request);
+	void RemoveAllJobsRequests();
 	PluginRes DoRequestJobs(JobTask & task, long job_id, size_t priority);
 
 };