2738229eb8
correctly in the case of FTP_PROXY, because an empty FTP_PROXY has a specific meaning ("don't use any proxy at all for ftp, even if HTTP_PROXY is defined"), while an empty HTTP_PROXY has no meaning at all. PR: bin/85185 Submitted by: Conall O'Brien <conallob=freebsd@maths.tcd.ie> MFC after: 2 weeks