golint on daemon/network package

Signed-off-by: Zhang Wei <zhangwei555@huawei.com>
Upstream-commit: 7be8336fb54ae2907c8f6549f26272c102a867af
Component: engine

components/engine/daemon/network/settings.go

@@ -2,11 +2,13 @@ package network
 
 import "github.com/docker/docker/pkg/nat"
 
+// Address represents an IP address
 type Address struct {
 	Addr      string
 	PrefixLen int
 }
 
+// Settings stores configuration details about the daemon network config
 type Settings struct {
 	Bridge                 string
 	EndpointID             string