time_t is now 64 bits, long is not enough in all architectures.

Co-authored-by: Simon McVittie <smcv@collabora.com>

src/weather/gcal-weather-service.c

@@ -512,7 +512,7 @@ preprocess_gweather_reports (GcalWeatherService *self,
     {
       GWeatherInfo *gwi; /* unowned */
       gboolean valid_date;
-      glong gwi_dtime;
+      time_t gwi_dtime;
       gsize bucket;
 
       gwi = GWEATHER_INFO (iter->data);