Fix expected BLKGETSIZE64 ioctl result type to 64 bit am: ee18a6bd9a am: 8ef9d92197 am: 43cd442c7c am: 562496c10e am: a80001fa44

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

Change-Id: I0462e44ce5587fe2040c4329ba50a1656e707ca0