[master] 4ce9376 Mark this noreturn

[Federico G. Schwindt]

commit 4ce9376705c0116cf62689f139f322aea5df406d
Author: Federico G. Schwindt <fgsch at lodoss.net>
Date:   Mon Jan 1 15:04:07 2018 +0000

    Mark this noreturn

diff --git a/bin/varnishadm/varnishadm.c b/bin/varnishadm/varnishadm.c
index f09f2d5..3407c70 100644
--- a/bin/varnishadm/varnishadm.c
+++ b/bin/varnishadm/varnishadm.c
@@ -378,7 +378,7 @@ pass(int sock)
 }
 
 
-static void
+static void v_noreturn_
 usage(int status)
 {
 	fprintf(stderr,