[gnome-boxes] configure: Require gtk+ >= 3.19.4

[Zeeshan Ali Khattak <zeeshanak src gnome org>]

commit 8949047fdc0c41fdf5d896e58078011d4f826d65
Author: Zeeshan Ali (Khattak) <zeeshanak gnome org>
Date:   Mon Dec 7 18:06:03 2015 +0000

    configure: Require gtk+ >= 3.19.4
    
    This is needed for using the new GtkShortcuts* API.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=757835

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index bfbc6a8..6dfa38c 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=3.13.2
+GTK_MIN_VERSION=3.19.4
 GTK_VNC_MIN_VERSION=0.4.4
 LIBVIRT_GLIB_MIN_VERSION=0.2.3
 LIBVIRT_GCONFIG_MIN_VERSION=0.2.0