[parrot/parrot] b0ab7d: Fix byteswap.h and 64bit fallback macro

[GitHub]

  Branch: refs/heads/native_pbc2
  Home:   https://github.com/parrot/parrot
  Commit: b0ab7d20d709d77b6016eaa719d672b172286e1d
      https://github.com/parrot/parrot/commit/b0ab7d20d709d77b6016eaa719d672b172286e1d
  Author: Reini Urban <rurban at cpanel.net>
  Date:   2012-09-09 (Sun, 09 Sep 2012)

  Changed paths:
    M include/parrot/bswap.h

  Log Message:
  -----------
  Fix byteswap.h and 64bit fallback macro

Forgot to define bswap macros with GNU byteswap.h
Fixed bswap_64 fallback.