[gegl] map-relative: add reference hash

[Øyvind Kolås <ok src gnome org>]

commit 22684219098f0ead941a45d840691e27951dd831
Author: Øyvind Kolås <pippin gimp org>
Date:   Sat Mar 11 20:40:47 2017 +0100

    map-relative: add reference hash

 operations/common/map-relative.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/operations/common/map-relative.c b/operations/common/map-relative.c
index eaa8524..174bc24 100644
--- a/operations/common/map-relative.c
+++ b/operations/common/map-relative.c
@@ -177,6 +177,7 @@ gegl_op_class_init (GeglOpClass *klass)
     "name",        "gegl:map-relative",
     "title",       _("Map Relative"),
     "categories" , "map",
+    "reference-hash", "5d41ac166c82cf5f6acf7141e7f85bbf",
     "description", _("sample input with an auxiliary buffer that contain relative source coordinates"),
     "reference-composition", composition,
     NULL);