[DSE-Dev] Bug#849459: fix gbp config warning

[cgzones]

Package: refpolicy
Version: 2:2.20161023.1-3

Git-buildpackage complains about an old config format.
While on it, reintroduce signing tags

---
 debian/gbp.conf | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/debian/gbp.conf b/debian/gbp.conf
index 6837223..557fbe8 100644
--- a/debian/gbp.conf
+++ b/debian/gbp.conf
@@ -3,6 +3,7 @@ debian-branch = debian
 upstream-branch = upstream
 pristine-tar = True

-[git-buildpackage]
+[buildpackage]
+sign-tags = True
 tarball-dir = ../tarballs/
 export-dir = ../build-area/
-- 
2.8.1