rados: naming conventions: fixes in GetPoolStats function
rados: naming conventions: fixes in GetPoolStats function

Fix up variable names that don't meet Go standards.

Command: gofmt -w -r "c_stat -> cStat" rados/ioctx.go

Signed-off-by: John Mulligan <eda8ad33169deab44f9fe65847f99e368da6c91b@redhat.com>

ceph/go-ceph,ceph/go-ceph,ceph/go-ceph