[gnome-tweak-tool] Require GTK 3.9 for ListBox

[John Stowers <jstowers src gnome org>]

commit 644ccb906c97e9d6ef089baf1324f65168b5ecb5
Author: Jeremy Bicha <jbicha ubuntu com>
Date:   Thu Aug 22 09:39:44 2013 -0400

    Require GTK 3.9 for ListBox
    
    https://bugzilla.gnome.org/show_bug.cgi?id=706583

 configure.ac |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 7a0cb09..e8f0a2c 100644
--- a/configure.ac
+++ b/configure.ac
@@ -6,9 +6,11 @@ AM_PATH_PYTHON([2.6])
 GLIB_GSETTINGS
 
 DESKTOP_SCHEMAS_REQUIRED_VERSION=3.4.0
+GTK_REQUIRED_VERSION=3.9.10
 PYGOBJECT_REQUIRED_VERSION=3.2.1
 
 PKG_CHECK_MODULES([GSETTINGS_DESKTOP_SCHEMAS], [gsettings-desktop-schemas >= 
$DESKTOP_SCHEMAS_REQUIRED_VERSION])
+PKG_CHECK_MODULES([GTK], [gtk+-3.0 >= $GTK_REQUIRED_VERSION])
 PKG_CHECK_MODULES([PYGOBJECT3], [pygobject-3.0 >= $PYGOBJECT_REQUIRED_VERSION])
 
 IT_PROG_INTLTOOL([0.40.0])