[gegl] contrast-curve: update reference hash

[Øyvind Kolås <ok src gnome org>]

commit 847f6b11fc7b50b53cdc8d86f53a982456919cba
Author: Øyvind Kolås <pippin gimp org>
Date:   Thu Oct 12 21:04:52 2017 +0200

    contrast-curve: update reference hash

 operations/common/contrast-curve.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/operations/common/contrast-curve.c b/operations/common/contrast-curve.c
index e0e12c6..1edbc00 100644
--- a/operations/common/contrast-curve.c
+++ b/operations/common/contrast-curve.c
@@ -257,7 +257,7 @@ gegl_op_class_init (GeglOpClass *klass)
     "name"       , "gegl:contrast-curve",
     "title",       _("Contrast Curve"),
     "categories" , "color",
-    "reference-hash", "43ddd80572ab34095298ac7c36368b0c",
+    "reference-hash", "a101c74702f52e4bd2fda04eda56034e",
     "description",
         _("Adjusts the contrast of a grayscale image with a curve specifying contrast for intensity."),
         NULL);