inspect reserved should not include active requests. Closes #1030

celery/worker/control.py

@@ -175,7 +175,7 @@ def dump_schedule(panel, safe=False, **kwargs):
 
 @Panel.register
 def dump_reserved(panel, safe=False, **kwargs):
-    reserved = state.reserved_requests
+    reserved = state.reserved_requests - state.active_requests
     if not reserved:
         logger.debug('--Empty queue--')
         return []