[gegl] alien-map: update reference hash

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

commit 42b6d1371796c2606507cfbfef08af126b9fcc67
Author: Øyvind Kolås <pippin gimp org>
Date:   Tue Sep 4 19:25:53 2018 +0200

    alien-map: update reference hash

 operations/common/alien-map.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/operations/common/alien-map.c b/operations/common/alien-map.c
index 6cd2daded..77d569c89 100644
--- a/operations/common/alien-map.c
+++ b/operations/common/alien-map.c
@@ -260,7 +260,7 @@ gegl_op_class_init (GeglOpClass *klass)
     "name",        "gegl:alien-map",
     "title",       _("Alien Map"),
     "categories",  "artistic",
-    "reference-hash", "e0cc57321ec905efce7fc7b412abe04a",
+    "reference-hash", "503b16b8b84765c1a080fd992231e26d",
     "description", _("Heavily distort images colors by applying trigonometric functions to map color 
values."),
     NULL);
 }