lazutils: clean up

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@41363 4005530d-fff6-0310-9dd1-cebe43e6787f
LCL: make sure messages.pp is not compiled on windows

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@41364 4005530d-fff6-0310-9dd1-cebe43e6787f
cairocanvas: less hints

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@41365 4005530d-fff6-0310-9dd1-cebe43e6787f