gtkclipboard: Fix a potential g_signal_handler_disconnect(NULL) call

Found by scan-build.

https://bugzilla.gnome.org/show_bug.cgi?id=712760

diff --git a/gtk/gtkclipboard.c b/gtk/gtkclipboard.c
index d2381beb309d79a09e47d782237b3999ce95e4f7..2b0f99c3f64db5047140275a0b36881293ee3aee 100644 (file)
--- a/gtk/gtkclipboard.c
+++ b/gtk/gtkclipboard.c
@@ -286,7 +286,7 @@ gtk_clipboard_finalize (GObject *object)
   if (clipboard->store_timeout != 0)
     g_source_remove (clipboard->store_timeout);
 
-  if (clipboard->notify_signal_id != 0)
+  if (clipboard_widget != NULL && clipboard->notify_signal_id != 0)
     g_signal_handler_disconnect (clipboard_widget, clipboard->notify_signal_id);
 
   g_free (clipboard->storable_targets);