osmo-pcu:  Transition to use of 'telnet_init_default'

Related: OS#5809
Change-Id: I9559486ce64a9ccf348b4ee0e1d09141dbc1ae8f
diff --git a/src/pcu_main.cpp b/src/pcu_main.cpp
index 60c8c79..901ee6c 100644
--- a/src/pcu_main.cpp
+++ b/src/pcu_main.cpp
@@ -300,8 +300,7 @@
 		gsmtap_source_add_sink(pcu->gsmtap);
 	}
 
-	rc = telnet_init_dynif(tall_pcu_ctx, NULL, vty_get_bind_addr(),
-			       OSMO_VTY_PORT_PCU);
+	rc = telnet_init_default(tall_pcu_ctx, NULL, OSMO_VTY_PORT_PCU);
 	if (rc < 0) {
 		fprintf(stderr, "Error initializing telnet\n");
 		exit(1);