cosmetic: use correct VTY port number constant

osmo-mgw currently uses VTY port number constant of osmo-bsc_mgwp,
however, libosmore now offers a constant specifically for osmo_mgw,
which has the same value, but is intended to be used by osmo-mgw

use the new port number constant for osmo-mgw

Closes: OS#2628
Change-Id: I63c3b300cc9287d1755a3f2c5b5ade7fc6398f6e
Depends: libosmocore I1770787e697906322ce5815fcaadba06c01ddee9
diff --git a/src/osmo-mgw/mgw_main.c b/src/osmo-mgw/mgw_main.c
index 20df923..227fc78 100644
--- a/src/osmo-mgw/mgw_main.c
+++ b/src/osmo-mgw/mgw_main.c
@@ -280,7 +280,7 @@
 
 	/* start telnet after reading config for vty_get_bind_addr() */
 	rc = telnet_init_dynif(tall_bsc_ctx, NULL,
-			       vty_get_bind_addr(), OSMO_VTY_PORT_BSC_MGCP);
+			       vty_get_bind_addr(), OSMO_VTY_PORT_MGW);
 	if (rc < 0)
 		return rc;