jenkins: use osmo-ggsn for tests

Change-Id: I62b29b5531bfb9895318254c41a4e24ba1078fbf
diff --git a/contrib/jenkins.sh b/contrib/jenkins.sh
index 2882989..07173cc 100755
--- a/contrib/jenkins.sh
+++ b/contrib/jenkins.sh
@@ -27,7 +27,7 @@
 osmo-build-dep.sh libosmo-abis
 osmo-build-dep.sh libosmo-netif
 osmo-build-dep.sh libosmo-sccp
-osmo-build-dep.sh openggsn
+osmo-build-dep.sh osmo-ggsn
 
 if [ "x$IU" = "x--enable-iu" ]; then
 	osmo-build-dep.sh libasn1c