VTY: always print MNCC handler type (internal/external)

... so that it's clear which MNCC handler is used by looking
at the output of `show running-config`.

Change-Id: Id1fe7aecc1c8445db48ff5fddcf6df0f05ba5e2e
diff --git a/src/libmsc/msc_vty.c b/src/libmsc/msc_vty.c
index f693cb6..1f389f4 100644
--- a/src/libmsc/msc_vty.c
+++ b/src/libmsc/msc_vty.c
@@ -763,6 +763,8 @@
 	vty_out(vty, "msc%s", VTY_NEWLINE);
 	if (gsmnet->mncc_sock_path)
 		vty_out(vty, " mncc external %s%s", gsmnet->mncc_sock_path, VTY_NEWLINE);
+	else
+		vty_out(vty, " mncc internal%s", VTY_NEWLINE);
 	vty_out(vty, " mncc guard-timeout %i%s",
 		gsmnet->mncc_guard_timeout, VTY_NEWLINE);
 	vty_out(vty, " ncss guard-timeout %i%s",