VTY: pass program name, version and copyright to vty_init()

This enables us to make the VTY completely independent of any
compile-time program-specific information, i.e. one step closer
to using VTY as a shared library from multiple programs.
diff --git a/openbsc/src/mgcp/mgcp_main.c b/openbsc/src/mgcp/mgcp_main.c
index f7f1f80..fd03c99 100644
--- a/openbsc/src/mgcp/mgcp_main.c
+++ b/openbsc/src/mgcp/mgcp_main.c
@@ -58,7 +58,6 @@
 static struct mgcp_config *cfg;
 static int reset_endpoints = 0;
 
-const char *openbsc_version = "OpenBSC MGCP " PACKAGE_VERSION;
 const char *openbsc_copyright =
 	"Copyright (C) 2009-2010 Holger Freyther and On-Waves\n"
 	"Contributions by Daniel Willmann, Jan Lübbe,Stefan Schmidt\n"
@@ -79,12 +78,6 @@
 	printf(" -c --config-file filename The config file to use.\n");
 }
 
-static void print_mgcp_version()
-{
-	printf("%s\n\n", openbsc_version);
-	printf("%s", openbsc_copyright);
-}
-
 static void handle_options(int argc, char** argv)
 {
 	while (1) {
@@ -110,7 +103,7 @@
 			config_file = talloc_strdup(tall_bsc_ctx, optarg);
 			break;
 		case 'V':
-			print_mgcp_version();
+			print_version(1);
 			exit(0);
 			break;
 		default:
@@ -200,9 +193,10 @@
 	if (!cfg)
 		return -1;
 
+	telnet_init(&dummy_network, 4243);
+
 	handle_options(argc, argv);
 
-	telnet_init(&dummy_network, 4243);
         rc = mgcp_parse_config(config_file, cfg);
 	if (rc < 0)
 		return rc;
@@ -264,7 +258,7 @@
 int bsc_vty_init(struct gsm_network *dummy)
 {
 	cmd_init(1);
-	vty_init();
+	vty_init("OpenBSC MGCP", PACKAGE_VERSION, openbsc_copyright);
 
 	openbsc_vty_add_cmds();
         mgcp_vty_init();