switch vty implementation over to talloc
diff --git a/openbsc/include/vty/vty.h b/openbsc/include/vty/vty.h
index 4bb785b..d43d992 100644
--- a/openbsc/include/vty/vty.h
+++ b/openbsc/include/vty/vty.h
@@ -26,6 +26,7 @@
 	VTY_SERV,
 	VTY_READ,
 	VTY_WRITE,
+	VTY_CLOSED,
 	VTY_TIMEOUT_RESET,
 #ifdef VTYSH
 	VTYSH_SERV,