folly: fixup CompressionTest compilation on macos
authorWez Furlong <wez@fb.com>
Sat, 16 Jul 2016 21:13:32 +0000 (14:13 -0700)
committerFacebook Github Bot 7 <facebook-github-bot-7-bot@fb.com>
Sat, 16 Jul 2016 21:23:39 +0000 (14:23 -0700)
commit95fb46dbe9c171dc3d0a549822d84a3c4cdf728b
treee353d7b4d632e378c34ad53173232945003668ef
parent77cf88a74ec8fce0d460613411df8a7cad871d3a
folly: fixup CompressionTest compilation on macos

Summary:
The compiler on macos is pedantic about the size of the 9UL not
matching the size of the type returned by `oneBasedMsbPos`.  Cast it to
the appropriate size.

Reviewed By: meyering

Differential Revision: D3576183

fbshipit-source-id: 41e9afc78eed2994e34238da119774e9bf6b7cea
folly/io/test/CompressionTest.cpp