FIX: UNKNOWN is also final status

git-svn-id: https://svn.javlin.eu/svn/cloveretl.opensource/trunk-3-5@16252 a09ad3ba-1a0f-0410-b1b9-c67202f10d70
MINOR: code cleanup

git-svn-id: https://svn.javlin.eu/svn/cloveretl.opensource/trunk-3-5@16253 a09ad3ba-1a0f-0410-b1b9-c67202f10d70