[gegl] warp: opt out of multithreading

[Øyvind Kolås <ok src gnome org>]

commit 9390284593ba795ffe3698cb295286b30819c82b
Author: Øyvind Kolås <pippin gimp org>
Date:   Tue Jun 2 01:49:30 2015 +0200

    warp: opt out of multithreading

 operations/common/warp.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/operations/common/warp.c b/operations/common/warp.c
index c6825a5..35ffa89 100644
--- a/operations/common/warp.c
+++ b/operations/common/warp.c
@@ -405,6 +405,7 @@ gegl_op_class_init (GeglOpClass *klass)
   object_class->finalize   = finalize;
   operation_class->prepare = prepare;
   filter_class->process    = process;
+  operation_class->threaded = FALSE;
 
   gegl_operation_class_set_keys (operation_class,
     "name",               "gegl:warp",