LazUtils: make CopyDirTree() work also with the "wrong" path delimiter ('/' on Windows). Was broken after r45991.

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@46031 4005530d-fff6-0310-9dd1-cebe43e6787f
* Cosmetic: Examples: TSqlScript: reflect FPC situation in readme.



git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@46032 4005530d-fff6-0310-9dd1-cebe43e6787f