f2fs: Re-add the Darwin hax
f2fs: Re-add the Darwin hax

Change-Id: Ibd65081c350f362d3484d9865c651837371bf870
Signed-off-by: Raleigh Matlock <305b30b897c16e53c141a3b77b43ad695954861e@gmail.com>

TurboROM/external_f2fs-tools,TurboROM/external_f2fs-tools