[master] 6351aac33 varnishstat: Polish

[Dridi Boukelmoune]

commit 6351aac3370ec48cf451d9d8bcdb80a4e61b3e88
Author: Dridi Boukelmoune <dridi.boukelmoune at gmail.com>
Date:   Tue Aug 25 16:50:55 2020 +0200

    varnishstat: Polish

diff --git a/bin/varnishstat/varnishstat.c b/bin/varnishstat/varnishstat.c
index f816184a8..4215783c7 100644
--- a/bin/varnishstat/varnishstat.c
+++ b/bin/varnishstat/varnishstat.c
@@ -352,7 +352,7 @@ main(int argc, char * const *argv)
 	else if (f_list)
 		list_fields(vd, vsc);
 	else
-		assert(0);
+		WRONG("undefined varnishstat mode");
 
 	exit(0);
 }