* commit new beep system from Benito van der Zander mantis #0012437
   Tested on win8/64 with both 32 and 64-bit binaries.
   Only modification: test for win32platform directly instead of dragging in sysutils (which modifies exception behaviour)
   

git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@29010 3ad0048d-3df7-0310-abae-a5850022a9f2