fix build

Signed-off-by: Vasiliy Tolstov <v.tolstov@selfip.ru>

vendor/github.com/sigma/vmw-guestinfo/examples/main.go

@@ -0,0 +1,22 @@
+package main
+
+import (
+	"fmt"
+
+	"github.com/coreos/coreos-cloudinit/github.com/sigma/vmw-guestinfo/rpcvmx"
+	"github.com/coreos/coreos-cloudinit/github.com/sigma/vmw-guestinfo/vmcheck"
+)
+
+func main() {
+	if !vmcheck.IsVirtualWorld() {
+		fmt.Println("not in a virtual world... :(")
+		return
+	}
+
+	version, typ := vmcheck.GetVersion()
+	fmt.Println(version, typ)
+
+	config := rpcvmx.NewConfig()
+	fmt.Println(config.GetString("foo", "foo"))
+	fmt.Println(config.GetString("bar", "foo"))
+}