[mutter] Require Gtk+ 3.9.11

[Alexander Larsson <alexl src gnome org>]

commit 3a7c1e7b6c1628dd66a45173d7f159df1d2427bc
Author: Alexander Larsson <alexl redhat com>
Date:   Tue Aug 20 14:24:26 2013 +0200

    Require Gtk+ 3.9.11
    
    This is needed for the gdk_x11_display_set_window_scale() call.

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 583c0ef..7fe13f2 100644
--- a/configure.ac
+++ b/configure.ac
@@ -67,7 +67,7 @@ CANBERRA_GTK_VERSION=0.26
 CLUTTER_PACKAGE=clutter-1.0
 
 MUTTER_PC_MODULES="
-   gtk+-3.0 >= 3.3.7
+   gtk+-3.0 >= 3.9.11
    gio-2.0 >= 2.25.10
    pango >= 1.2.0
    cairo >= 1.10.0