folly: get building with gcc-4.7.1
authorAndrew Gallagher <agallagher@fb.com>
Fri, 29 Jun 2012 23:47:49 +0000 (16:47 -0700)
committerTudor Bosman <tudorb@fb.com>
Fri, 13 Jul 2012 23:27:28 +0000 (16:27 -0700)
commit9766ab7cd5d31352d93b712a395d611805554dc7
tree1d88df3bf71351bc669508ebabcaa6195f7586c9
parent1034506c069b9f9c24266adfaab33c26ca174aef
folly: get building with gcc-4.7.1

Summary:
A lot of libstdc++-4.7 headers dropped includes of unistdc.h, so
we'll probably see more of these.

Test Plan: built folly

Reviewed By: simpkins@fb.com

FB internal diff: D508871
folly/experimental/EventCount.h