Set the UnicodeCompare functions in the WideString manager also for WinCE and implement the Wide- and UnicodeCompare functions similar to Win32/64 by calling a common DoCompareString function.

git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@23574 3ad0048d-3df7-0310-abae-a5850022a9f2