mgcp: make sure all command line options are documented

Signed-off-by: Holger Hans Peter Freyther <zecke@selfish.org>

openbsc/src/osmo-bsc_mgcp/mgcp_main.c

@@ -80,6 +80,8 @@ static void print_help()
 	printf("Some useful help...\n");
 	printf(" -h --help is printing this text.\n");
 	printf(" -c --config-file filename The config file to use.\n");
+	printf(" -D --daemonize Fork the process into a background daemon\n");
+	printf(" -V --version Print the version number\n");
 }
 
 static void handle_options(int argc, char **argv)