rust-lang/rust — pull request #20375 by brson (2014-12-31 18:11:44+00:00)
Title: mk: Fix the location of a temp dir when building installer on win

Fixes the failure on the nightly builders. Doesn't need to be p=1 since I'm rebuilding the nightlies now, but every day this isn't on master will be a day that we don't get new nightlies.