git-checkout-store: Try to output STDOUT from git-checkout

Not working. What I want is to output `Switched to branch 'a-branch'`
from git-checkout.

Using the example from: http://golang.org/pkg/os/exec/#Command

1 files changed, 4 insertions, 0 deletions

diff --git a/git-checkout-store/main.go b/git-checkout-store/main.go
index 359c4db..c9943e4 100644
--- a/git-checkout-store/main.go
+++ b/git-checkout-store/main.go
@@ -2,6 +2,7 @@ package main
 
 
 import (
+	"bytes"
 	"os"
 	"os/exec"
 	"fmt"
@@ -13,9 +14,12 @@ func main() {
 	
 	if len(args) > 0 {
 		cmd := exec.Command("git", "checkout", args[0])
+		var out bytes.Buffer
+		cmd.Stdout = &out
 		err := cmd.Run()
 		if err != nil {
 			fmt.Fprintf(os.Stderr, err.Error())
 		}
+		fmt.Println(out.String())
 	}
 }