[gegl] workshop/gradient-map: fix colors notation in xml composition

[Thomas Manni <tmanni src gnome org>]

commit 505b76a22c7102cceff060ce6336d01f73f64c0e
Author: Thomas Manni <thomas manni free fr>
Date:   Fri May 5 12:09:01 2017 +0200

    workshop/gradient-map: fix colors notation in xml composition

 operations/workshop/gradient-map.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/operations/workshop/gradient-map.c b/operations/workshop/gradient-map.c
index 6a27c41..efba4c6 100644
--- a/operations/workshop/gradient-map.c
+++ b/operations/workshop/gradient-map.c
@@ -222,8 +222,8 @@ gegl_op_class_init (GeglOpClass *klass)
     "<gegl>"
     "<node operation='gegl:gradient-map'>"
     "  <params>"
-    "    <param name='color1'>#x410404</param>"
-    "    <param name='color2'>#x22FFFA</param>"
+    "    <param name='color1'>#410404</param>"
+    "    <param name='color2'>#22FFFA</param>"
     "  </params>"
     "</node>"
     "<node operation='gegl:load'>"