[gegl] distance-transform: revert to original reference hash

[Øyvind "pippin" Kolås <ok src gnome org>]

commit bab5edf4509ec4a75c434553b9b6c07177c8f344
Author: Øyvind Kolås <pippin gimp org>
Date:   Sun Sep 5 00:15:36 2021 +0200

    distance-transform: revert to original reference hash

 operations/common-cxx/distance-transform.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/operations/common-cxx/distance-transform.cc b/operations/common-cxx/distance-transform.cc
index c29762bc3..5490ffe38 100644
--- a/operations/common-cxx/distance-transform.cc
+++ b/operations/common-cxx/distance-transform.cc
@@ -531,7 +531,7 @@ gegl_op_class_init (GeglOpClass *klass)
     "name",        "gegl:distance-transform",
     "title",       _("Distance Transform"),
     "categories",  "map",
-    "reference-hash", "4121d1abc01608b557f60111facfe2e6",
+    "reference-hash", "620bf37294bca66e4190da60c5be5622",
     "reference-composition", composition,
     "description", _("Calculate a distance transform"),
     NULL);