[gnome-boxes] build: Require gtk+ >= 3.13.2

[Yosef Or Boczko <yoseforb src gnome org>]

commit 5c24c92f3fbcb32df86d2ab0c3462c2865a8a435
Author: Yosef Or Boczko <yoseforb src gnome org>
Date:   Wed Sep 3 13:46:40 2014 +0300

    build: Require gtk+ >= 3.13.2
    
    https://bugzilla.gnome.org/show_bug.cgi?id=735720

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 559c8c0..67e62ba 100644
--- a/configure.ac
+++ b/configure.ac
@@ -52,7 +52,7 @@ GLIB_MIN_VERSION=2.38.0
 AC_SUBST(GLIB_MIN_VERSION)
 GOBJECT_INTROSPECTION_MIN_VERSION=0.9.6
 GOVIRT_MIN_VERSION=0.2.0
-GTK_MIN_VERSION=3.11
+GTK_MIN_VERSION=3.13.2
 GTK_VNC_MIN_VERSION=0.4.4
 LIBVIRT_GLIB_MIN_VERSION=0.1.5
 LIBVIRT_GCONFIG_MIN_VERSION=0.1.9