Add class JobResult.

src/workers/SingleWorker.h

@@ -26,6 +26,7 @@
 
 
 #include "net/Job.h"
+#include "net/JobResult.h"
 #include "workers/Worker.h"
 
 
@@ -43,6 +44,7 @@ private:
     void consumeJob();
 
     Job m_job;
+    JobResult m_result;
 };