codetools: linkscanner: UpdateNeeded when scanner used alon

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@41147 4005530d-fff6-0310-9dd1-cebe43e6787f
ShellCtrls: don't use ExcludeTrailingPathDelimiter when calling DirectoryExistsUtf8 (it fails on '/' and '\').


git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@41148 4005530d-fff6-0310-9dd1-cebe43e6787f