Fix bad path check in download-libs.sh
Fix bad path check in download-libs.sh

yahoo/end-to-end,yahoo/end-to-end,postfix/end-to-end,postfix/end-to-end,yahoo/end-to-end,dconnolly/yahoo-end-to-end,postfix/end-to-end,yahoo/end-to-end,postfix/end-to-end,dconnolly/yahoo-end-to-end,dconnolly/yahoo-end-to-end,dconnolly/yahoo-end-to-end