[master] b4d6b71 beautify make output

[Nils Goroll]

commit b4d6b7145717f63f405f84ea805a035452cfd624
Author: Nils Goroll <nils.goroll at uplex.de>
Date:   Mon Mar 5 20:08:55 2018 +0100

    beautify make output

diff --git a/include/Makefile.am b/include/Makefile.am
index 1b13126..80f6569 100644
--- a/include/Makefile.am
+++ b/include/Makefile.am
@@ -124,7 +124,7 @@ GENERATED_H = vcl.h $(GEN_H)
 ## except when building from a distribution
 
 vcs_version.h:
-	if test -d $(top_srcdir)/.git ; then \
+	$(AM_V_GEN) if test -d $(top_srcdir)/.git ; then \
 	    @PYTHON@ $(srcdir)/generate.py \
 		$(top_srcdir) $(top_builddir) ; \
 	fi