codetools: directory cacher: fixed finding dotted units

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@41199 4005530d-fff6-0310-9dd1-cebe43e6787f
SynEdit: Ifdef Markup: fixed uninitialized value

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@41200 4005530d-fff6-0310-9dd1-cebe43e6787f