Fix formatting issues, and missing test methods.

Docker-DCO-1.1-Signed-off-by: Ross Boucher <rboucher@gmail.com> (github: boucher)

container_linux_test.go

@@ -74,6 +74,13 @@ func (m *mockProcess) signal(_ os.Signal) error {
 	return nil
 }
 
+func (p *mockProcess) externalDescriptors() []string {
+	return []string{}
+}
+
+func (p *mockProcess) setExternalDescriptors(newFds []string) {
+}
+
 func TestGetContainerPids(t *testing.T) {
 	container := &linuxContainer{
 		id:            "myid",

nsinit/checkpoint.go

@@ -2,10 +2,10 @@ package main
 
 import (
 	"fmt"
-	"strconv"
-	"strings"
 	"github.com/codegangsta/cli"
 	"github.com/docker/libcontainer"
+	"strconv"
+	"strings"
 )
 
 var checkpointCommand = cli.Command{

process_linux.go

@@ -189,7 +189,7 @@ func (p *initProcess) start() error {
 	if err != nil {
 		return newSystemError(err)
 	}
-	p.setExternalDescriptors(fds);
+	p.setExternalDescriptors(fds)
 
 	// Do this before syncing with child so that no children
 	// can escape the cgroup