deps: fix asm build error of openssl in x86_win32

See
https://mta.openssl.org/pipermail/openssl-dev/2015-February/000651.html

iojs needs to stop using masm and move to nasm or yasm on Win32.

Fixes: https://github.com/iojs/io.js/issues/589
PR-URL: https://github.com/iojs/io.js/pull/1389


Reviewed-By: Fedor Indutny <fedor@indutny.com>
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>