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

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

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: Iaa84b25572775f3a972ee43f0deb3bc01e87b8c2