dbflaz: clean up

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@47059 4005530d-fff6-0310-9dd1-cebe43e6787f
memds: clean up

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@47060 4005530d-fff6-0310-9dd1-cebe43e6787f
printers4lazarus: clean up

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@47061 4005530d-fff6-0310-9dd1-cebe43e6787f
sdflaz: clean up

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@47062 4005530d-fff6-0310-9dd1-cebe43e6787f