gio: g_menu_item_set_icon should not fail if icon is NULL

It allows passing a NULL icon to unset the icon and thus should not
log a critical warning if used like that.

https://bugzilla.gnome.org/show_bug.cgi?id=753285

diff --git a/gio/gmenu.c b/gio/gmenu.c
index fe82ba7..e90fb14 100644 (file)
--- a/gio/gmenu.c
+++ b/gio/gmenu.c
@@ -1375,7 +1375,7 @@ g_menu_item_set_icon (GMenuItem *menu_item,
   GVariant *value;
 
   g_return_if_fail (G_IS_MENU_ITEM (menu_item));
-  g_return_if_fail (G_IS_ICON (icon));
+  g_return_if_fail (icon == NULL || G_IS_ICON (icon));
 
   if (icon != NULL)
     value = g_icon_serialize (icon);