Fixed bad filter re-evaluation with import table if filtered->accepted

The import table feed wasn't resetting the table-specific route values
like REF_FILTERED and thus made the route look like filtered even though
it should have been re-evaluated as accepted.

nest/proto.c

@@ -657,7 +657,10 @@ channel_reload_stopped(struct rt_export_request *req)
 
   /* Restart reload */
   if (c->reload_pending)
+  {
+    c->reload_pending = 0;
     channel_request_reload(c);
+  }
 
   if (c->channel_state != CS_UP)
     channel_check_stopped(c);