[recipes] Add Matthew to recipe authors

[Matthias Clasen <matthiasc src gnome org>]

commit ebf833a25d1a5637dc6a9e70694ab861b5a94061
Author: Matthias Clasen <mclasen redhat com>
Date:   Wed Feb 1 17:22:35 2017 +0100

    Add Matthew to recipe authors

 src/gr-app.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/src/gr-app.c b/src/gr-app.c
index f8b7890..2106e15 100644
--- a/src/gr-app.c
+++ b/src/gr-app.c
@@ -672,6 +672,7 @@ about_activated (GSimpleAction *action,
                 "Erusan",
                 "Link Dupont",
                 "Tuomas Kuosmanen",
+                "Matthew Leeds",
                 NULL
         };