Fix expected BLKGETSIZE64 ioctl result type to 64 bit am: ee18a6bd9a am: 8ef9d92197 am: 43cd442c7c am: 562496c10e

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

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I5726b8ff1cf3c06e92846bec05e7aa7fc4d824de