core/commands: Added no-op Mount implementation for Windows

core/commands/mount_windows.go

@@ -4,6 +4,7 @@ import (
 	"errors"
 
 	cmds "github.com/jbenet/go-ipfs/commands"
+	"github.com/jbenet/go-ipfs/core"
 )
 
 var mountCmd = &cmds.Command{
@@ -16,3 +17,9 @@ var mountCmd = &cmds.Command{
 		return errors.New("Mount isn't compatible with Windows yet"), nil
 	},
 }
+
+func Mount(node *core.IpfsNode, fsdir, nsdir string) error {
+	// TODO
+	// currently a no-op, but we don't want to return an error
+	return nil
+}