Correct case of environment variables governing proxy.
Correct case of environment variables governing proxy.

Submitted by:   Bryan Blackburn
Reviewed by:    jberry@
Approved by:    jberry@
Obtained from:

git-svn-id: 620571fa9b4bd0cbce9a0cf901e91ef896adbf27@17321 d073be05-634f-4543-b044-5fe20cf6d1d6

neverpanic/macports-base,neverpanic/macports-base,danchr/macports-base,danchr/macports-base,macports/macports-base,macports/macports-base