[libgweather/wip/hadess/fix-invalid-forecast: 4/5] metar: Don't mark weather info as invalid if already valid

[Bastien Nocera <hadess src gnome org>]

commit 5240f2ffee96078d2de02c608aa10a6f435b7ec3
Author: Bastien Nocera <hadess hadess net>
Date:   Tue Aug 27 15:06:31 2019 +0300

    metar: Don't mark weather info as invalid if already valid
    
    Don't overwrite the validity of a GWeatherInfo if METAR failed, but we
    already have other data filled in.

 libgweather/weather-metar.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
---
diff --git a/libgweather/weather-metar.c b/libgweather/weather-metar.c
index 59bd9cd..5f041cb 100644
--- a/libgweather/weather-metar.c
+++ b/libgweather/weather-metar.c
@@ -629,7 +629,8 @@ metar_finish (SoupSession *session, SoupMessage *msg, gpointer data)
 
     g_free (searchkey);
 
-    priv->valid = success;
+    if (!priv->valid)
+        priv->valid = success;
     _gweather_info_request_done (info, msg);
 }