Integration: MACVlan add missing import comment and build-tag

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>

integration/network/macvlan/macvlan_test.go

@@ -1,6 +1,6 @@
 // +build !windows
 
-package macvlan
+package macvlan // import "github.com/docker/docker/integration/network/macvlan"
 
 import (
 	"context"

integration/network/macvlan/main_test.go

@@ -1,3 +1,5 @@
+// +build !windows
+
 package macvlan // import "github.com/docker/docker/integration/network/macvlan"
 
 import (

integration/network/macvlan/main_windows_test.go

@@ -0,0 +1 @@
+package macvlan // import "github.com/docker/docker/integration/network/macvlan"