fix:vehicle:gpsd:Retry connect after 10 seconds not performed (#1099)

* FIX: Retry connect after 10 seconds not performed

Set priv->cbt before starting the timer.

* Set priv->cbt in vehicle_gpsd_try_open to be able to reconnect any time not just at startup

* Don't release the gps object

navit/vehicle/gpsd/vehicle_gpsd.c

@@ -236,6 +236,7 @@ static int vehicle_gpsd_try_open(struct vehicle_priv *priv) {
     priv->gps = gps_open(source + 7, port);
     if(!priv->gps) {
 #endif
+        priv->cbt = callback_new_1(callback_cast(vehicle_gpsd_try_open), priv);
         dbg(lvl_error,"gps_open failed for '%s'. Retrying in %d seconds. Have you started gpsd?", priv->source,
             priv->retry_interval);
         g_free(source);
@@ -312,10 +313,11 @@ static void vehicle_gpsd_close(struct vehicle_priv *priv) {
     }
     if (priv->gps) {
         gps_close(priv->gps);
-#if GPSD_API_MAJOR_VERSION >= 5
-        g_free(priv->gps);
-#endif
-        priv->gps = NULL;
+//if we release the gps object a reconnect is no longer working.
+//#if GPSD_API_MAJOR_VERSION >= 5
+//        g_free(priv->gps);
+//#endif
+//        priv->gps = NULL;
     }
 #ifdef HAVE_GPSBT
     err = gpsbt_stop(&priv->context);