Fix https://issues.apache.org/bugzilla/show_bug.cgi?id=57308
Avoid unnecessary use of System.getProperty("file.separator")

git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@1643309 13f79535-47bb-0310-9956-ffa450edef68
Replace calls to System.getProperty("path.separator" with
File.pathSeperator

git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@1643310 13f79535-47bb-0310-9956-ffa450edef68
Replace System.getProperty("line.separator") with System.lineSeparator()