Fix message.

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@271528 13f79535-47bb-0310-9956-ffa450edef68

proposal/myrmidon/src/java/org/apache/myrmidon/frontends/Resources.properties

@@ -8,7 +8,7 @@ verbose.opt=Equivalent to --log-level=INFO.
 listener.opt=Specify the listener for log events.
 noprefix.opt=Do not prefix output with the task name.  Equivalent to --listener noprefix.
 version.opt=Display version.
-tasklib.opt=Specify the task lib directory to scan for .tsk files.
+tasklib.opt=Specify the task lib directory to scan for .atl files.
 incremental.opt=Run in incremental mode.
 home.opt=Specify Ant home directory.
 define.opt=Define a property (ie -Dfoo=var).