fix compiler warnings

Author: mwarning

src/ext-fwd.c

@@ -64,8 +64,9 @@ void fwd_debug(FILE *fp)
 	now = time_now_sec();
 	counter = 0;
 	cur = g_fwds;
+
 	while (cur) {
-		fprintf(fp, " port: %hu\n", cur->port);
+		fprintf(fp, " port: %d\n", cur->port);
 
 		if (cur->refreshed == 0) {
 			fprintf(fp, "  refreshed: never\n");

src/upnp.c

@@ -179,7 +179,7 @@ int upnp_handler(struct upnp_handle_t *handle, uint16_t port, time_t lifespan, t
 
 	// Add port forwarding
 	if (handle->state == UPNP_STATE_ADD_PORTMAPPING) {
-		if (handle->urls.controlURL && handle->data.first.servicetype) {
+		if (handle->urls.controlURL && handle->data.first.servicetype[0]) {
 			int rc_tcp = upnpAddPortMapping(handle, "TCP", port);
 			int rc_udp = upnpAddPortMapping(handle, "UDP", port);