tree 55fe6d1e95249ef23d7e7c7a45d6dd1c193337bd
parent 466b9895ac070239fe24522e34ec3984bb093760
author Adam Langley <agl@google.com> 1446589741 -0800
committer Adam Langley <agl@google.com> 1446589741 -0800

(Hopefully) fix a warning on Windows.

MSVC unhelpfuly says: warning C4146: unary minus operator applied to
unsigned type, result still unsigned.

Change-Id: Ia1e6b9fc415908920abb1bcd98fc7f7a5670c2c7