[recipes] Add Frederik to the credits

[Matthias Clasen <matthiasc src gnome org>]

commit f3def292c2058262f948a9e5d0dbd43992df69c0
Author: Matthias Clasen <mclasen redhat com>
Date:   Mon Dec 19 10:15:19 2016 -0500

    Add Frederik to the credits

 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 f79dea9..e4036d5 100644
--- a/src/gr-app.c
+++ b/src/gr-app.c
@@ -94,6 +94,7 @@ about_activated (GSimpleAction *action,
         const char *recipe_authors[] = {
                 "Ray Strode",
                 "Bastian Ilsø",
+                "Frederik Fyksen",
                 NULL
         };