[gegl] convolution-matrix: add reference hash

[Øyvind Kolås <ok src gnome org>]

commit 6ff4d413be2bccd01ea776135c7e24ae8bcde32c
Author: Øyvind Kolås <pippin gimp org>
Date:   Sat Oct 14 03:18:14 2017 +0200

    convolution-matrix: add reference hash

 operations/common/convolution-matrix.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/operations/common/convolution-matrix.c b/operations/common/convolution-matrix.c
index c3a33e9..98c2af9 100644
--- a/operations/common/convolution-matrix.c
+++ b/operations/common/convolution-matrix.c
@@ -614,6 +614,7 @@ gegl_op_class_init (GeglOpClass *klass)
   gegl_operation_class_set_keys (operation_class,
     "categories",  "generic",
     "name",        "gegl:convolution-matrix",
+    "reference-hash", "fad5f67e4243dfaf0ae50462ac78a4a6",
     "title",       _("Convolution Matrix"),
     "description", _("Apply a generic 5x5 convolution matrix"),
     NULL);