Updating submodules
Updating submodules

Summary:
GitHub commits:

https://github.com/facebook/folly/commit/39e5f2f72bdef7f87a83958298087ecc1e6d48f9

Reviewed By: wittgenst

fbshipit-source-id: 7a698a77f9e794f7e6b4020cddb048ccc1dd90e5

facebook/fbthrift,facebook/fbthrift,facebook/fbthrift,facebook/fbthrift,facebook/fbthrift,facebook/fbthrift,facebook/fbthrift,facebook/fbthrift,facebook/fbthrift