[gtk/matthiasc/for-master] gtk-demo: Clean up memory handling in the weather demo

[Matthias Clasen <matthiasc src gnome org>]

commit 3fab2b55ccd43111f0ab8f839d03de5ebd75beda
Author: Matthias Clasen <mclasen redhat com>
Date:   Sat Jun 20 12:18:17 2020 -0400

    gtk-demo: Clean up memory handling in the weather demo
    
    gtk_weather_info_new was consuming the info, but not
    the timestamp, which confused me. Make it not consume
    either, and be more explicit about where the unrefs
    happen.

 demos/gtk-demo/listview_weather.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
---
diff --git a/demos/gtk-demo/listview_weather.c b/demos/gtk-demo/listview_weather.c
index c373e43686..4fa83721f4 100644
--- a/demos/gtk-demo/listview_weather.c
+++ b/demos/gtk-demo/listview_weather.c
@@ -70,7 +70,6 @@ gtk_weather_info_new (GDateTime      *timestamp,
     {
       result->temperature = copy_from->temperature;
       result->weather_type = copy_from->weather_type;
-      g_object_unref (copy_from);
     }
 
   return result;
@@ -161,6 +160,7 @@ create_weather_model (void)
   timestamp = g_date_time_new (utc, 2011, 1, 1, 0, 0, 0);
   info = gtk_weather_info_new (timestamp, NULL);
   g_list_store_append (store, info);
+  g_object_unref (info);
 
   for (i = 0; lines[i] != NULL && *lines[i]; i++)
     {
@@ -176,6 +176,7 @@ create_weather_model (void)
           timestamp = new_timestamp;
           info = gtk_weather_info_new (timestamp, info);
           g_list_store_append (store, info);
+          g_object_unref (info);
         }
 
       info->temperature = parse_temperature (fields[1], info->temperature);
@@ -184,6 +185,7 @@ create_weather_model (void)
       g_strfreev (fields);
     }
 
+  g_date_time_unref (timestamp);
   g_strfreev (lines);
   g_bytes_unref (data);
   g_time_zone_unref (utc);