Tab police (also fix trailing spaces in these files)

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/exec/trunk@1557385 13f79535-47bb-0310-9956-ffa450edef68
Fix up class name

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/exec/trunk@1557388 13f79535-47bb-0310-9956-ffa450edef68