switch to packaged lzma package

Gopkg.lock

@@ -199,9 +199,9 @@
 
 [[projects]]
   branch = "master"
-  name = "github.com/smira/lzma"
+  name = "github.com/kjk/lzma"
   packages = ["."]
-  revision = "7f0af6269940baa2c938fabe73e0d7ba41205683"
+  revision = "3fd93898850d5252457e48c1b3d5e1510597280b"
 
 [[projects]]
   branch = "master"

deb/deb.go

@@ -15,8 +15,8 @@ import (
 	"github.com/pkg/errors"
 
 	"github.com/aptly-dev/aptly/pgp"
+	"github.com/kjk/lzma"
 	"github.com/smira/go-xz"
-	"github.com/smira/lzma"
 )
 
 // Source kinds

vendor/github.com/kjk/lzma/lzma_go/main.go

@@ -6,7 +6,7 @@ package main
 
 import (
 	//"compress/lzma"
-	"github.com/smira/lzma"
+	"github.com/kjk/lzma"
 	"flag"
 	"fmt"
 	"io"