deps: hide zlib internal symbols

Use HAVE_HIDDEN when compiling zlib so it's internal symbols
have __attribute__((visibility ("hidden"))).

PR-URL: https://github.com/nodejs/node/pull/11082


Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Shigeki Ohtsu <ohtsu@iij.ad.jp>