src: fix multiple AddLinkedBinding() calls

Singly-linked lists are extended at their tail, not their head.
This fixes using more than 2 linked addons at a time.

PR-URL: https://github.com/nodejs/node/pull/39012


Reviewed-By: Shelley Vohr <codebytere@gmail.com>
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Richard Lau <rlau@redhat.com>