* fixed PTCPas compilation with fpc 2.6.2
- rm winapi constants that were already included in fpc 2.6.2
* winapi constants that were included in fpc trunk put behind {$ifdef ver2_6}

git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@25775 3ad0048d-3df7-0310-abae-a5850022a9f2