[gegl] waterpixels: opt out of auto-threading

[Thomas Manni <tmanni src gnome org>]

commit 3d9a1f3c82178d4987829ba3fd76c98edfbdd900
Author: Thomas Manni <thomas manni free fr>
Date:   Thu Jan 10 20:46:08 2019 +0100

    waterpixels: opt out of auto-threading

 operations/common/waterpixels.c | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/operations/common/waterpixels.c b/operations/common/waterpixels.c
index 2e9f6cc1b..0d5a6d881 100644
--- a/operations/common/waterpixels.c
+++ b/operations/common/waterpixels.c
@@ -508,6 +508,7 @@ gegl_op_class_init (GeglOpClass *klass)
   operation_class->get_required_for_output = get_required_for_output;
   operation_class->get_cached_region       = get_cached_region;
   operation_class->opencl_support          = FALSE;
+  operation_class->threaded                = FALSE;
 
   gegl_operation_class_set_keys (operation_class,
     "name",        "gegl:waterpixels",