[gnome-builder] flatpak: Bump required flatpak version to 0.6.9

[Christian Hergert <chergert src gnome org>]

commit b2edd5298df40cf96b0708ccc67bb3a38b35bd06
Author: Matthew Leeds <mleeds redhat com>
Date:   Wed Nov 2 00:13:03 2016 -0500

    flatpak: Bump required flatpak version to 0.6.9
    
    flatpak 0.6.9 added support for the --stop-at option for
    flatpak-builder, which we need.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=773764

 plugins/flatpak/configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/plugins/flatpak/configure.ac b/plugins/flatpak/configure.ac
index a0d8547..8b2ccf6 100644
--- a/plugins/flatpak/configure.ac
+++ b/plugins/flatpak/configure.ac
@@ -1,4 +1,4 @@
-m4_define([flatpak_required_version], [0.6.0])
+m4_define([flatpak_required_version], [0.6.9])
 
 # --enable-flatpak-plugin=yes/no/auto
 AC_ARG_ENABLE([flatpak-plugin],