[gitg] Fix use of deprecated gtk_dialog_set_has_separator

[Jesse van den Kieboom <jessevdk src gnome org>]

commit 176aacdee27de4d8ae8ae806e95a54f37b4dbc7f
Author: Jesse van den Kieboom <jessevdk gnome org>
Date:   Sat Oct 23 13:55:52 2010 +0200

    Fix use of deprecated gtk_dialog_set_has_separator

 gitg/gitg-branch-actions.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gitg/gitg-branch-actions.c b/gitg/gitg-branch-actions.c
index 3370262..b3b3b3e 100644
--- a/gitg/gitg-branch-actions.c
+++ b/gitg/gitg-branch-actions.c
@@ -600,7 +600,7 @@ rename_dialog (GitgWindow *window, const gchar *oldname)
 	                                   "_Rename", GTK_RESPONSE_OK,
 	                                   NULL);
 
-#if ! GTK_CHECK_VERSION(2, 91, 0)
+#if ! GTK_CHECK_VERSION(2, 22, 0)
 	gtk_dialog_set_has_separator (GTK_DIALOG (dlg), FALSE);
 #endif