[master] c0ca4a0 Mark a needless return

[Poul-Henning Kamp]

commit c0ca4a07e02ccb444ea33a52bc884661af963299
Author: Poul-Henning Kamp <phk at FreeBSD.org>
Date:   Tue Nov 12 22:11:28 2013 +0000

    Mark a needless return

diff --git a/bin/varnishd/waiter/cache_waiter_kqueue.c b/bin/varnishd/waiter/cache_waiter_kqueue.c
index 1c51399..ce9beb7 100644
--- a/bin/varnishd/waiter/cache_waiter_kqueue.c
+++ b/bin/varnishd/waiter/cache_waiter_kqueue.c
@@ -205,6 +205,7 @@ vwk_thread(void *priv)
 			SES_Delete(sp, SC_RX_TIMEOUT, now);
 		}
 	}
+	NEEDLESS_RETURN(NULL);
 }
 
 /*--------------------------------------------------------------------*/