rbd: separate standard lib imports from pkg imports

By convention many projects are separating the golang stdlib imports
from other imports. Do that as well for rbd.go.

Signed-off-by: John Mulligan <jmulligan@redhat.com>
This commit is contained in:
John Mulligan 2019-12-13 11:42:50 -05:00 committed by Niels de Vos
parent 8a2d18be87
commit a2d1c64180