[gegl] bayer-matrix: add reference hash

[Øyvind Kolås <ok src gnome org>]

commit 3f41f32dee1fe8d70cfee88be7aa00dddcf9458e
Author: Øyvind Kolås <pippin gimp org>
Date:   Sat Oct 14 03:30:55 2017 +0200

    bayer-matrix: add reference hash

 operations/workshop/bayer-matrix.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/operations/workshop/bayer-matrix.c b/operations/workshop/bayer-matrix.c
index c333c99..5aac779 100644
--- a/operations/workshop/bayer-matrix.c
+++ b/operations/workshop/bayer-matrix.c
@@ -329,6 +329,7 @@ gegl_op_class_init (GeglOpClass *klass)
     "categories",         "render",
     "position-dependent", "true",
     "license",            "GPL3+",
+    "reference-hash",     "c021386f88549e30a94d71bd4b02973d",
     "description",        _("Generate a Bayer matrix pattern"),
     NULL);
 }