Auto merge of #3495 - sfackler:bump-shell-escape, r=alexcrichton
authorbors <bors@rust-lang.org>
Thu, 5 Jan 2017 20:52:28 +0000 (20:52 +0000)
committerbors <bors@rust-lang.org>
Thu, 5 Jan 2017 20:52:28 +0000 (20:52 +0000)
Update shell-escape

r? @alexcrichton


Trivial merge