im_skeletonize: prim ids come from @primnum

prim_init is a primitive wrangle, so @ptnum was 0 and every primitive
got id 0.

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

 otls/sop_lsgalante.im_skeletonize.1.0.hdalc | Bin 56925 -> 56816 bytes
 1 file changed, 0 insertions(+), 0 deletions(-)

diff --git a/otls/sop_lsgalante.im_skeletonize.1.0.hdalc b/otls/sop_lsgalante.im_skeletonize.1.0.hdalc
index 4875c5d..44ab488 100644
Binary files a/otls/sop_lsgalante.im_skeletonize.1.0.hdalc and b/otls/sop_lsgalante.im_skeletonize.1.0.hdalc differ