Fix expected BLKGETSIZE64 ioctl result type to 64 bit am: ee18a6bd9a am: 8ef9d92197 am: 43cd442c7c

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

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: Icbc9ed82b036fbd79f49a968717512bfb76c1d4c