From 9e2cdce58e081c3829008a256ecd8c3b5a7ce1de Mon Sep 17 00:00:00 2001
From: Benjamin Otte <otte@redhat.com>
Date: Tue, 10 Mar 2015 13:23:06 +0100
Subject: [PATCH] notebook: Fix boolean check

Commit c352093bdeb2be5390607de13eaf7a21e93272ef swapped the condition
when turning it into a return_if_fail().
---
 gtk/gtknotebook.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gtk/gtknotebook.c b/gtk/gtknotebook.c
index d2d935451b..889826086c 100644
--- a/gtk/gtknotebook.c
+++ b/gtk/gtknotebook.c
@@ -8186,7 +8186,7 @@ gtk_notebook_query_tab_label_packing (GtkNotebook *notebook,
   g_return_if_fail (GTK_IS_WIDGET (child));
 
   list = CHECK_FIND_CHILD (notebook, child);
-  g_return_if_fail (!list);
+  g_return_if_fail (list != NULL);
 
   if (expand)
     *expand = GTK_NOTEBOOK_PAGE (list)->expand;