update git URLs (git -> https; gitea)

Change-Id: I9d59b62493bcdcb1bdbfbfd0525bae2988359f27
diff --git a/README.md b/README.md
index 583ad3a..1f14628 100644
--- a/README.md
+++ b/README.md
@@ -20,9 +20,9 @@
 
 You can clone from the official osmo-ggsn.git repository using
 
-	git clone git://git.osmocom.org/osmo-ggsn.git
+	git clone https://gitea.osmocom.org/cellular-infrastructure/osmo-ggsn
 
-There is a cgit interface at http://git.osmocom.org/osmo-ggsn/
+There is a web interface at <https://gitea.osmocom.org/cellular-infrastructure/osmo-ggsn>
 
 Documentation
 -------------
diff --git a/debian/control b/debian/control
index 6d5cde5..717bd60 100644
--- a/debian/control
+++ b/debian/control
@@ -11,8 +11,8 @@
                osmo-gsm-manuals-dev,
                libgtpnl-dev (>= 1.2.0)
 Standards-Version: 3.9.6
-Vcs-Browser: http://git.osmocom.org/osmo-ggsn/
-Vcs-Git: git://git.osmocom.org/osmo-ggsn
+Vcs-Browser: https://gitea.osmocom.org/cellular-infrastructure/osmo-ggsn
+Vcs-Git: https://gitea.osmocom.org/cellular-infrastructure/osmo-ggsn
 Homepage: https://projects.osmocom.org/projects/openggsn
 
 Package: osmo-ggsn