[evolution] I#1891 - Fails to build with libgweather 3.36

[Milan Crha <mcrha src gnome org>]

commit a436ac1fc33992d90916c1f489d01f1d33bec99a
Author: Milan Crha <mcrha redhat com>
Date:   Mon May 2 10:26:35 2022 +0200

    I#1891 - Fails to build with libgweather 3.36
    
    Closes https://gitlab.gnome.org/GNOME/evolution/-/issues/1891

 .../cal-config-weather/e-weather-location-entry.c  | 35 ++++++++++++++++++++++
 1 file changed, 35 insertions(+)
---
diff --git a/src/modules/cal-config-weather/e-weather-location-entry.c 
b/src/modules/cal-config-weather/e-weather-location-entry.c
index f4ff276633..4868481a03 100644
--- a/src/modules/cal-config-weather/e-weather-location-entry.c
+++ b/src/modules/cal-config-weather/e-weather-location-entry.c
@@ -558,6 +558,10 @@ e_weather_location_entry_set_city (EWeatherLocationEntry *entry,
        return FALSE;
 }
 
+#if !GWEATHER_CHECK_VERSION(3, 39, 0)
+#define gweather_location_get_english_sort_name gweather_location_get_sort_name
+#endif
+
 static void
 fill_location_entry_model (GtkListStore *store,
                           GWeatherLocation *loc,
@@ -569,6 +573,10 @@ fill_location_entry_model (GtkListStore *store,
 {
        GWeatherLocation *child = NULL;
        gchar *display_name, *local_sort_name, *local_compare_name, *english_compare_name;
+       #if !GWEATHER_CHECK_VERSION(3, 39, 0)
+       GWeatherLocation **children = gweather_location_get_children (loc);
+       gint ii;
+       #endif
 
        switch (gweather_location_get_level (loc)) {
        case GWEATHER_LOCATION_WORLD:
@@ -576,24 +584,42 @@ fill_location_entry_model (GtkListStore *store,
                /* Ignore these levels of hierarchy; just recurse, passing on
                 * the names from the parent node.
                 */
+               #if GWEATHER_CHECK_VERSION(3, 39, 0)
                while ((child = gweather_location_next_child (loc, child)))
+               #else
+               for (ii = 0; children[ii]; ii++) {
+                       child = children[ii];
+               #endif
                        fill_location_entry_model (store, child,
                                                   parent_display_name,
                                                   parent_sort_local_name,
                                                   parent_compare_local_name,
                                                   parent_compare_english_name,
                                                   show_named_timezones);
+               #if !GWEATHER_CHECK_VERSION(3, 39, 0)
+                       child = NULL; /* Do not unref it at the end of this function */
+               }
+               #endif
                break;
 
        case GWEATHER_LOCATION_COUNTRY:
                /* Recurse, initializing the names to the country name */
+               #if GWEATHER_CHECK_VERSION(3, 39, 0)
                while ((child = gweather_location_next_child (loc, child)))
+               #else
+               for (ii = 0; children[ii]; ii++) {
+                       child = children[ii];
+               #endif
                        fill_location_entry_model (store, child,
                                                   gweather_location_get_name (loc),
                                                   gweather_location_get_sort_name (loc),
                                                   gweather_location_get_sort_name (loc),
                                                   gweather_location_get_english_sort_name (loc),
                                                   show_named_timezones);
+               #if !GWEATHER_CHECK_VERSION(3, 39, 0)
+                       child = NULL; /* Do not unref it at the end of this function */
+               }
+               #endif
                break;
 
        case GWEATHER_LOCATION_ADM1:
@@ -607,10 +633,19 @@ fill_location_entry_model (GtkListStore *store,
                local_compare_name = g_strdup_printf ("%s, %s", gweather_location_get_sort_name (loc), 
parent_compare_local_name);
                english_compare_name = g_strdup_printf ("%s, %s", gweather_location_get_english_sort_name 
(loc), parent_compare_english_name);
 
+               #if GWEATHER_CHECK_VERSION(3, 39, 0)
                while ((child = gweather_location_next_child (loc, child)))
+               #else
+               for (ii = 0; children[ii]; ii++) {
+                       child = children[ii];
+               #endif
                        fill_location_entry_model (store, child,
                                                   display_name, local_sort_name, local_compare_name, 
english_compare_name,
                                                   show_named_timezones);
+               #if !GWEATHER_CHECK_VERSION(3, 39, 0)
+                       child = NULL; /* Do not unref it at the end of this function */
+               }
+               #endif
 
                g_free (display_name);
                g_free (local_sort_name);