1316 change rcvBUF_ to sndBUF_ (#1319)
1316 change rcvBUF_ to sndBUF_ (#1319)

Summary: Pull Request resolved: https://github.com/facebook/folly/pull/1319

Reviewed By: yfeldblum, lnicco

Differential Revision: D19951699

Pulled By: afrind

fbshipit-source-id: b71d96020ca486139472512726183ae4d3555b28

facebook/folly,facebook/folly,facebook/folly,facebook/folly,facebook/folly