subscr: Add a vty option to kick the queue.
diff --git a/openbsc/src/gsm_subscriber.c b/openbsc/src/gsm_subscriber.c
index 2f6cc3c..db61f25 100644
--- a/openbsc/src/gsm_subscriber.c
+++ b/openbsc/src/gsm_subscriber.c
@@ -402,3 +402,9 @@
 
 	return 0;
 }
+
+int subscr_pending_kick(struct gsm_subscriber *sub)
+{
+	subscr_put_channel(sub);
+	return 0;
+}