volume/local: Break early if addr was specified

I made a mistake in the last commit - after resolving the IP from the
passed `addr` for CIFS it would still resolve the `device` part.

Apply only one name resolution

Signed-off-by: Paweł Gronowski <pawel.gronowski@docker.com>
(cherry picked from commit df43311f3d)
Signed-off-by: Paweł Gronowski <pawel.gronowski@docker.com>

volume/local/local_unix.go

@@ -134,6 +134,7 @@ func (v *localVolume) mount() error {
 				return errors.Wrap(err, "error resolving passed in network volume address")
 			}
 			mountOpts = strings.Replace(mountOpts, "addr="+addrValue, "addr="+ipAddr.String(), 1)
+			break
 		}
 
 		if v.opts.MountType != "cifs" {