Coverity says multiplying two uint32_t's and assigning them to
authorkrw <krw@openbsd.org>
Fri, 12 Aug 2022 00:32:59 +0000 (00:32 +0000)
committerkrw <krw@openbsd.org>
Fri, 12 Aug 2022 00:32:59 +0000 (00:32 +0000)
commitcb33a3f65fa74ec2591df1744951d81177ec9bd3
tree3847e87a225d539f7dda1d1e608ce75d35e5ccd0
parent425e94d59be781daef009b86347a14b1c4f33109
Coverity says multiplying two uint32_t's and assigning them to
a uint64_t may not produce the (humanly) obvious result.

Cast one of them to a (uint64_t) in the hope of invoking the
appropriate int promotion god.

CID 1519495
sys/kern/subr_disk.c