ctrl: take both address and port from vty config

Change-Id: I9bb88fa53a91cc96440d83958450729fa433a04b
diff --git a/src/gb_proxy_main.c b/src/gb_proxy_main.c
index ba49a77..da69f9c 100644
--- a/src/gb_proxy_main.c
+++ b/src/gb_proxy_main.c
@@ -341,7 +341,7 @@
 
 	/* Start control interface after getting config for
 	 * ctrl_vty_get_bind_addr() */
-	ctrl = ctrl_interface_setup_dynip(gbcfg, ctrl_vty_get_bind_addr(), OSMO_CTRL_PORT_GBPROXY, NULL);
+	ctrl = ctrl_interface_setup(gbcfg, OSMO_CTRL_PORT_GBPROXY, NULL);
 	if (!ctrl) {
 		LOGP(DGPRS, LOGL_FATAL, "Failed to create CTRL interface.\n");
 		exit(1);