[gegl] operations: attempt to fix opencl of gegl:hurl

[Øyvind Kolås <ok src gnome org>]

commit 391ac22b8b702e527f085e26f14a312bee90e342
Author: Øyvind Kolås <pippin gimp org>
Date:   Fri Sep 15 12:45:09 2017 +0200

    operations: attempt to fix opencl of gegl:hurl
    
    Follow up for bug #787661, blind commit - since beignet opencl does not work
    under wayland.

 operations/common/noise-hurl.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/operations/common/noise-hurl.c b/operations/common/noise-hurl.c
index 5791e50..8a5fa09 100644
--- a/operations/common/noise-hurl.c
+++ b/operations/common/noise-hurl.c
@@ -199,7 +199,7 @@ cl_process (GeglOperation       *operation,
 
   for(it = 0; it < o->repeat; ++it)
     {
-      cl_err = gegl_clSetKernelArg (cl_data->kernel[0], 8, sizeof(cl_int),
+      cl_err = gegl_clSetKernelArg (cl_data->kernel[0], 9, sizeof(cl_int),
                                     (void*)&offset);
       CL_CHECK;
       cl_err = gegl_clEnqueueNDRangeKernel (gegl_cl_get_command_queue (),