Fix expected BLKGETSIZE64 ioctl result type to 64 bit am: ee18a6bd9a

Original change: https://android-review.googlesource.com/c/platform/external/newfs_msdos/+/1588314

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I40e04f8127bd1f66065a1dc0bc39e978a8293bea