[3.0] c2346d2 Add missing ABI line check that got lost

[Tollef Fog Heen]

commit c2346d2d20c2fe5a3f57d8c12fbce34b48fccb57
Author: Tollef Fog Heen <tfheen at varnish-software.com>
Date:   Tue Aug 30 10:43:51 2011 +0200

    Add missing ABI line check that got lost

diff --git a/include/Makefile.am b/include/Makefile.am
index ac761d1..f0e2daf 100644
--- a/include/Makefile.am
+++ b/include/Makefile.am
@@ -60,6 +60,7 @@ vcs_version.h: FORCE
 		H="$$(head -n 1 vcs_version.h 2>/dev/null || true)"; \
 		if [ "/* $$V */" != "$$H" ]; then \
 		( \
+		  echo "/* $$V */" ;\
 		  echo '/*' ;\
 		  echo ' * NB:  This file is machine generated, DO NOT EDIT!' ;\
 		  echo ' *' ;\