If no logger is set, default to system.out instead of ignoring the
message.
This happens when ant is embeded ( if no logger is set ).
PR:
Obtained from:
Submitted by:
Reviewed by:
git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@273242 13f79535-47bb-0310-9956-ffa450edef68