[6.0] 36dff5b48 avoid interactive mv

[Dridi Boukelmoune]

commit 36dff5b4807b1525ec30b76697d2380c44610688
Author: Nils Goroll <nils.goroll at uplex.de>
Date:   Tue May 1 19:15:42 2018 +0200

    avoid interactive mv

diff --git a/bin/varnishd/Makefile.am b/bin/varnishd/Makefile.am
index 255650181..e6e0537e4 100644
--- a/bin/varnishd/Makefile.am
+++ b/bin/varnishd/Makefile.am
@@ -229,7 +229,7 @@ EXTRA_DIST = builtin.vcl
 
 vhp_hufdec.h: vhp_gen_hufdec
 	$(AM_V_GEN) ./vhp_gen_hufdec > vhp_hufdec.h_
-	mv vhp_hufdec.h_ vhp_hufdec.h
+	mv -f vhp_hufdec.h_ vhp_hufdec.h
 
 DISTCLEANFILES = builtin_vcl.c