Converter: optionally delete files in project dir if LCL has a unit with same name.

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@41665 4005530d-fff6-0310-9dd1-cebe43e6787f
Converter: fix compilation

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@41666 4005530d-fff6-0310-9dd1-cebe43e6787f