[gnome-boxes] Enable build of notifications in libgd

[Alexander Larsson <alexl src gnome org>]

commit 014f554ccc1dcf7faeb46b3876c41d57fdc5096d
Author: Alexander Larsson <alexl redhat com>
Date:   Mon Oct 29 16:31:57 2012 +0100

    Enable build of notifications in libgd
    
    https://bugzilla.gnome.org/show_bug.cgi?id=679106

 configure.ac |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 6cb33db..91a3914 100644
--- a/configure.ac
+++ b/configure.ac
@@ -110,6 +110,7 @@ LIBGD_INIT([
   main-toolbar
   main-icon-view
   margin-container
+  notification
   static
   tagged-entry
   vapi