os: fixed PathListSeparator to ';' for windows. Fixed issue 1992
os: fixed PathListSeparator to ';' for windows.
Fixed issue 1992

R=golang-dev, alex.brainman
CC=golang-dev
http://codereview.appspot.com/4661047

Committer: Alex Brainman <54ba58c8441b5eff861de6b4e5ee46baf086b142@gmail.com>
abustany/go,abustany/go,abustany/go,abustany/go,abustany/go,abustany/go,abustany/go