* Cleanup fpc_trunc_real implementation.
* For single-precision variant, truncate to 64 bits instead of 32, since this how trunc()/round() are defined.
* Do not access float64 as int64, doing so would break on ARM hardfloat after r26010.
  

git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@26065 3ad0048d-3df7-0310-abae-a5850022a9f2