places sidebar: Make a function NULL-safe

gtk_places_sidebar_set_location's location argument is documented
as allow-none, but if one actually passes NULL, a warning results.
Fix that.

diff --git a/gtk/gtkplacessidebar.c b/gtk/gtkplacessidebar.c
index d6d3dd6000dba533eb38361e9e895b80d3abb8ef..fecb94f0a2d0b86bf524d703bb2ff2af51526357 100644 (file)
--- a/gtk/gtkplacessidebar.c
+++ b/gtk/gtkplacessidebar.c
@@ -4790,7 +4790,9 @@ gtk_places_sidebar_set_location (GtkPlacesSidebar *sidebar,
 
   if (sidebar->current_location != NULL)
     g_object_unref (sidebar->current_location);
-  sidebar->current_location = g_object_ref (location);
+  sidebar->current_location = location;
+  if (sidebar->current_location != NULL)
+    g_object_ref (sidebar->current_location);
 
   if (location == NULL)
           goto out;