* 8087 fixes in tx86addnode.second_cmpfloat:
  - use FSTSW instead of FNSTSW
  - insert a FWAIT after the FSTSW, because the value is immediately loaded
    afterwards by the integer unit of the CPU



git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@26110 3ad0048d-3df7-0310-abae-a5850022a9f2