Some ftp servers have binary as default, so when binary is false
it is good to set explicitly the ascii mode for the transfer.
Problem reported by Michael Nebus (Michael dot Nebus at Pfizer dot com)
git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@274980 13f79535-47bb-0310-9956-ffa450edef68