don't block on any queue.

Former-commit-id: b6407924f23814108df8f544a646af8665a2b009

src/scheduler.c

@@ -850,7 +850,7 @@ struct task *scheduler_gettask ( struct scheduler *s , int qid , struct cell *su
         for ( int tries = 0 ; res == NULL && s->waiting && tries < scheduler_maxtries ; tries++ ) {
         
             /* Try to get a task from the suggested queue. */
-            if ( s->queues[qid].count > 0 && ( res = queue_gettask( &s->queues[qid] , super , 1 ) ) != NULL )
+            if ( s->queues[qid].count > 0 && ( res = queue_gettask( &s->queues[qid] , super , 0 ) ) != NULL )
                 break;
 
             /* If unsucessful, try stealing from the other queues. */