[gnome-builder] build: update AUTHORS

[Christian Hergert <chergert src gnome org>]

commit e9d168ffc962edf73fc5d454288d2fadd06d1966
Author: Christian Hergert <christian hergert me>
Date:   Sun Apr 24 18:53:12 2016 -0700

    build: update AUTHORS

 AUTHORS |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/AUTHORS b/AUTHORS
index 39f0ee6..e645d7c 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -41,6 +41,7 @@ Jürg Billeter
 Kris Thomsen
 Lars Uebernickel
 Lionel Landwerlin
+Marcin Kolny
 Marek Černocký
 Mario Sanchez Prada
 Mathieu Bridon