git-pickaxe: refcount origin correctly in find_copy_in_parent()
git-pickaxe: refcount origin correctly in find_copy_in_parent()

This makes "git-pickaxe -C master -- revision.c" to finish with
proper refcounts for all origins.  I am reasonably happy with
it.

Signed-off-by: Junio C Hamano <dc50d1021234060e53ec42a77d526afa2fe07479@cox.net>

destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git