* Make Win64 SEH support enabled by default. If necessary to disable, compiler should be cycled with OPT=-dDISABLE_WIN64_SEH. Mantis #24012.

git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@23732 3ad0048d-3df7-0310-abae-a5850022a9f2