[libgweather/wip/hadess/fix-serialising-deserialising: 1/2] GWeatherLocation: Fix deserialising a serialised location

[Bastien Nocera <hadess src gnome org>]

commit a443538620ec9a01c46b7eb4ac126e53a1fc6b0e
Author: Bastien Nocera <hadess hadess net>
Date:   Wed Mar 20 15:19:43 2019 +0100

    GWeatherLocation: Fix deserialising a serialised location
    
    When the serialised location doesn't contain a weather station code,
    gweather_location_deserialize() would fail. Make sure to create a new
    detached location from it.
    
    Closes: #18

 libgweather/gweather-location.c | 3 +++
 1 file changed, 3 insertions(+)
---
diff --git a/libgweather/gweather-location.c b/libgweather/gweather-location.c
index 6db89a1..24a5b60 100644
--- a/libgweather/gweather-location.c
+++ b/libgweather/gweather-location.c
@@ -1513,6 +1513,9 @@ gweather_location_common_deserialize (GWeatherLocation *world,
     GList *candidates, *l;
     GWeatherLocation *found;
 
+    if (station_code[0] == '\0')
+        return _gweather_location_new_detached (NULL, name, latlon_valid, latitude, longitude);
+
     /* First find the list of candidate locations */
     candidates = g_hash_table_lookup (world->metar_code_cache, station_code);