use OSMO_GSUP_PORT == 4222 instead of hardcoded 2222

Depends: I4222e21686c823985be8ff1f16b1182be8ad6175 (libosmocore)
Change-Id: I9b372a4ac38677773bf813acba80cebcd88e2e20
diff --git a/src/hlr.c b/src/hlr.c
index 7d1bf75..9e8b699 100644
--- a/src/hlr.c
+++ b/src/hlr.c
@@ -466,7 +466,7 @@
 		exit(1);
 	}
 
-	g_hlr->gs = osmo_gsup_server_create(hlr_ctx, g_hlr->gsup_bind_addr, 2222,
+	g_hlr->gs = osmo_gsup_server_create(hlr_ctx, g_hlr->gsup_bind_addr, OSMO_GSUP_PORT,
 					    read_cb, &g_lu_ops);
 	if (!g_hlr->gs) {
 		LOGP(DMAIN, LOGL_FATAL, "Error starting GSUP server\n");