im_neighbours: use the Normal Filter parm

The patch search compared against normal_tolerance, which does not
exist, and a hardcoded 0.8. Both now read normal_filter_tol.

Co-Authored-By: Claude Fable 5.1 <[email protected]>

 otls/sop_lsgalante.im_neighbours.1.0.hdalc | Bin 12631 -> 12710 bytes
 1 file changed, 0 insertions(+), 0 deletions(-)

diff --git a/otls/sop_lsgalante.im_neighbours.1.0.hdalc b/otls/sop_lsgalante.im_neighbours.1.0.hdalc
index a4710fa..42c5879 100644
Binary files a/otls/sop_lsgalante.im_neighbours.1.0.hdalc and b/otls/sop_lsgalante.im_neighbours.1.0.hdalc differ