Bump version: 1.3.0.50-ea1c-dirty → 1.4.0

Change-Id: I5ca7ada037a9b91c3b747cea6d83654d0b9afed3
diff --git a/debian/rules b/debian/rules
index d0f5935..cdb2480 100755
--- a/debian/rules
+++ b/debian/rules
@@ -16,7 +16,7 @@
 
 override_dh_strip:
 	dh_strip -posmo-ggsn --dbg-package=osmo-ggsn-dbg
-	dh_strip -plibgtp4 --dbg-package=libgtp-dbg
+	dh_strip -plibgtp5 --dbg-package=libgtp-dbg
 
 override_dh_auto_configure:
 	dh_auto_configure -- --with-systemdsystemunitdir=/lib/systemd/system --enable-manuals