gprs_ns_vty: Unify display of NSVCI on VTY in 'show ns entities'

Change-Id: I2915b47a5fc4ed9ac16f611c9e9f71dc0955426a
diff --git a/src/gb/gprs_ns2_fr.c b/src/gb/gprs_ns2_fr.c
index 07c8d46..4140171 100644
--- a/src/gb/gprs_ns2_fr.c
+++ b/src/gb/gprs_ns2_fr.c
@@ -117,7 +117,7 @@
 		osmo_fr_role_str(fr_link->role), VTY_NEWLINE);
 
 	llist_for_each_entry(nsvc, &bind->nsvc, blist) {
-		vty_out(vty, "    %s%s", gprs_ns2_ll_str(nsvc), VTY_NEWLINE);
+		vty_out(vty, "    NSVCI %05u: %s%s", nsvc->nsvci, gprs_ns2_ll_str(nsvc), VTY_NEWLINE);
 	}
 
 	priv = bind->priv;