Bump version: 1.3.0.31-1950-dirty → 1.4.0

Change-Id: Ib6738f44e8a7495ac7eddc10b0a68b76c33dc0dd
diff --git a/debian/control b/debian/control
index b010e7e..a5dec55 100644
--- a/debian/control
+++ b/debian/control
@@ -11,7 +11,7 @@
                dh-autoreconf,
                libdpkg-perl,
                git,
-               libosmocore-dev (>= 1.7.0),
+               libosmocore-dev (>= 1.8.0),
                pkg-config,
                libortp-dev
 Standards-Version: 3.9.7