[gnome-software] Bump GTK+ dep

[Matthias Clasen <matthiasc src gnome org>]

commit 71b3bb58f66dabe13ca4182123eaff24c637df53
Author: Matthias Clasen <mclasen redhat com>
Date:   Thu Aug 22 21:08:55 2013 -0400

    Bump GTK+ dep
    
    We're using new GtkLabel api that was just introduced.

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 096b4e4..4318efe 100644
--- a/configure.ac
+++ b/configure.ac
@@ -72,7 +72,7 @@ GLIB_GSETTINGS
 dnl ---------------------------------------------------------------------------
 dnl - Check library dependencies
 dnl ---------------------------------------------------------------------------
-PKG_CHECK_MODULES(GTK, gtk+-3.0 >= 3.5.6)
+PKG_CHECK_MODULES(GTK, gtk+-3.0 >= 3.9.13)
 PKG_CHECK_MODULES(PACKAGEKIT, packagekit-glib2 >= 0.8.10)
 PKG_CHECK_MODULES(SQLITE, sqlite3)