libosmocore:  Transition to use of 'telnet_init_default'

Replace remaining calls of telnet_init_dynif() by telnet_init_default()

Related: OS#5809
Change-Id: Ie762d0c642021db1a6ef95333cd771351de86845
diff --git a/tests/tdef/tdef_vty_dynamic_test.c b/tests/tdef/tdef_vty_dynamic_test.c
index 715fa60..b646c54 100644
--- a/tests/tdef/tdef_vty_dynamic_test.c
+++ b/tests/tdef/tdef_vty_dynamic_test.c
@@ -327,7 +327,7 @@
 		}
 	}
 
-	rc = telnet_init_dynif(root_ctx, NULL, vty_get_bind_addr(), 42042);
+	rc = telnet_init_default(root_ctx, NULL, 42042);
 	if (rc < 0)
 		return 2;