Fixed off by one error in worker

IHP/Job/Queue.hs

@@ -98,7 +98,7 @@ pollForJob tableName pollInterval onNewJob = do
                 -- For every job we send one signal to the job workers
                 -- This way we use full concurrency when we find multiple jobs
                 -- that haven't been picked up by the PGListener
-                forEach [0..count] \_ -> do
+                forEach [1..count] \_ -> do
                     Concurrent.putMVar onNewJob JobAvailable
 
             -- Add up to 2 seconds of jitter to avoid all job queues polling at the same time