* changed parameter in DosSetThreadAffinity from pointer to a var parameter

git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@29016 3ad0048d-3df7-0310-abae-a5850022a9f2
  * fix for random memory corruption introduced in r28975

git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@29017 3ad0048d-3df7-0310-abae-a5850022a9f2