[PATCH] sslutil: remove deprecated ex.message usage

[Yuya Nishihara]

On Fri, 8 Jul 2016 17:45:40 -0700, Durham Goode wrote:
> # HG changeset patch
> # User Durham Goode <durham at fb.com>
> # Date 1468024931 25200
> #      Fri Jul 08 17:42:11 2016 -0700
> # Node ID a7a7110867f2c90424f6619f452613bff1b7757d
> # Parent  b4d117cee636be8a566f56e84d4b351a736a1299
> sslutil: remove deprecated ex.message usage

It's been fixed in stable, but yet merged into the default branch.