mgcp_client_vty: add missing NO_STR

Fixes: 3f2c15 ("mgcp_client: allow to reset endpoints on startup")
Change-Id: Ib2052dcfcfc26fa898e31ffee1e792856fab22ed
diff --git a/src/libosmo-mgcp-client/mgcp_client_vty.c b/src/libosmo-mgcp-client/mgcp_client_vty.c
index 81ce0e1..7ad1485 100644
--- a/src/libosmo-mgcp-client/mgcp_client_vty.c
+++ b/src/libosmo-mgcp-client/mgcp_client_vty.c
@@ -218,7 +218,7 @@
 DEFUN(cfg_mgw_no_reset_ep_name,
       cfg_mgw_no_reset_ep_name_cmd,
       "no mgw reset-endpoint NAME",
-      MGW_STR "remove an endpoint name from the reset-endpoint list, e.g. 'rtpbridge/*'\n"
+      NO_STR MGW_STR "remove an endpoint name from the reset-endpoint list, e.g. 'rtpbridge/*'\n"
       "Endpoint name, e.g. 'rtpbridge/*' or 'ds/e1-0/s-3/su16-4'.\n")
 {
 	struct reset_ep *reset_ep;