[master] b5fd51b Fix vmod silent rules with bmake(1)

[Dridi Boukelmoune]

commit b5fd51b54299d18e6ff31999c7f539f84cbe0533
Author: Dridi Boukelmoune <dridi.boukelmoune at gmail.com>
Date:   Fri Jan 27 16:23:36 2017 +0100

    Fix vmod silent rules with bmake(1)

diff --git a/varnish.m4 b/varnish.m4
index 3b603f0..f3894ce 100644
--- a/varnish.m4
+++ b/varnish.m4
@@ -139,7 +139,7 @@ AC_DEFUN([_VARNISH_VMOD_CONFIG], [
 	AC_SUBST([vmoddir])
 
 	dnl Define an automake silent execution for vmodtool
-	[am__v_VMODTOOL_0='@echo "  VMODTOOL" $<;']
+	[am__v_VMODTOOL_0='@echo "  VMODTOOL" $''@;']
 	[am__v_VMODTOOL_1='']
 	[am__v_VMODTOOL_='$(am__v_VMODTOOL_$(AM_DEFAULT_VERBOSITY))']
 	[AM_V_VMODTOOL='$(am__v_VMODTOOL_$(V))']