[roll] Roll fuchsia [ld] Fully support cross-architecture remote dynamic linking

This turned up several more instances of accidentally omitted
template plumbing, missing casts, and lots of typos of size_t
where size_type was needed.

Original-Bug: 326524302
Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/1163934
Original-Revision: bdcbc430d43f621389499db32ef5170601c7da3c
GitOrigin-RevId: e11bff8bca32812962f170416b5c4907d82f41ac
Change-Id: Idc55ba2a839b3c3d88abd2e70064cc06ac8c4716

Author: Roland McGrath

stem

@@ -11,7 +11,7 @@
              githooks="integration/git-hooks"
              remote="https://fuchsia.googlesource.com/fuchsia"
              gerrithost="https://fuchsia-review.googlesource.com"
-             revision="af389a765f51de2f848c1e9845d9203dcef3e029"/>
+             revision="bdcbc430d43f621389499db32ef5170601c7da3c"/>
   </projects>
   <hooks>
     <hook name="install-environment"