[libchamplain] ChamplainView: Sink initial MapSource reference

[Jiří Techet <jiritechet src gnome org>]

commit cf6530cbdf7b76e84c7216293699664baf690dbd
Author: Jonas Danielsson <jonas threetimestwo org>
Date:   Sat Apr 19 23:45:45 2014 +0200

    ChamplainView: Sink initial MapSource reference
    
    We need to call g_object_ref_sink on the initial MapSource otherwise
    we will call g_object_unref on a floating reference when a new
    MapSource is set.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=728337

 champlain/champlain-view.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/champlain/champlain-view.c b/champlain/champlain-view.c
index f9e4059..a57f047 100644
--- a/champlain/champlain-view.c
+++ b/champlain/champlain-view.c
@@ -1106,7 +1106,7 @@ champlain_view_init (ChamplainView *view)
   factory = champlain_map_source_factory_dup_default ();
   source = champlain_map_source_factory_create_cached_source (factory, CHAMPLAIN_MAP_SOURCE_OSM_MAPNIK);
 
-  priv->map_source = CHAMPLAIN_MAP_SOURCE (source);
+  priv->map_source = CHAMPLAIN_MAP_SOURCE (g_object_ref_sink (source));
 
   priv->zoom_level = 0;
   priv->min_zoom_level = champlain_map_source_get_min_zoom_level (priv->map_source);