deps: make v8.h compatible with VS2015

There is a bug in the most recent version of VS2015 that affects v8.h
and therefore prevents compilation of addons.

Refs: https://stackoverflow.com/q/38378693

PR-URL: https://github.com/nodejs/node/pull/30020


Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Jiawen Geng <technicalcute@gmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>