[gegl] examples: Fix execute permission on xml-graph.py

[Daniel Sabo <daniels src gnome org>]

commit 234756ca9c7f0c1acdc6eee9c362334714ca7a14
Author: Daniel Sabo <DanielSabo gmail com>
Date:   Mon Oct 21 20:20:26 2013 -0700

    examples: Fix execute permission on xml-graph.py

 0 files changed, 0 insertions(+), 0 deletions(-)
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diff --git a/examples/xml-graph.py b/examples/xml-graph.py
old mode 100644
new mode 100755