Don't warn if pthread_atfork isn't avaliable on MSVC
authorOrvid King <blah38621@gmail.com>
Wed, 12 Aug 2015 20:40:33 +0000 (13:40 -0700)
committerfacebook-github-bot-9 <folly-bot@fb.com>
Wed, 12 Aug 2015 21:20:48 +0000 (14:20 -0700)
commit919d8e39757df6413a1d558f67774d1344f5dfd8
treeac1a8e85ee970ad6d5cf19e66534fe5e377dcfc6
parent614ca62428e304c8d710f97aaf2881e8b6a297a4
Don't warn if pthread_atfork isn't avaliable on MSVC

Summary: Because we don't even have `fork` to begin with under MSVC.
Closes #278

Reviewed By: @yfeldblum

Differential Revision: D2306518

Pulled By: @sgolemon
folly/detail/ThreadLocalDetail.h