codetools: directive tree: reraise last error

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@41006 4005530d-fff6-0310-9dd1-cebe43e6787f
codetools: fixed FindResourceDirective scanning only one file

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@41007 4005530d-fff6-0310-9dd1-cebe43e6787f