Build fix, fixing without a PR

cmd/erasure-demo/fs.go

@@ -14,7 +14,7 @@ import (
 func fsGetList(config inputConfig) (io.Reader, error) {
 	var objectStorage storage.ObjectStorage
 	rootDir := path.Join(config.rootDir, config.storageDriver)
-	objectStorage = fsstorage.FileSystemStorage{RootDir: rootDir}
+	objectStorage, _ = fsstorage.NewStorage(rootDir)
 	objectList, err := objectStorage.List("/")
 	if err != nil {
 		return nil, err
@@ -30,7 +30,7 @@ func fsGetList(config inputConfig) (io.Reader, error) {
 func fsGet(config inputConfig, objectPath string) (io.Reader, error) {
 	var objectStorage storage.ObjectStorage
 	rootDir := path.Join(config.rootDir, config.storageDriver)
-	objectStorage = fsstorage.FileSystemStorage{RootDir: rootDir}
+	objectStorage, _ = fsstorage.NewStorage(rootDir)
 	object, err := objectStorage.Get(objectPath)
 	if err != nil {
 		return nil, err
@@ -45,7 +45,7 @@ func fsPut(config inputConfig, objectPath string, reader io.Reader) error {
 		return err
 	}
 	var objectStorage storage.ObjectStorage
-	objectStorage = fsstorage.FileSystemStorage{RootDir: rootDir}
+	objectStorage, _ = fsstorage.NewStorage(rootDir)
 	if err = objectStorage.Put(objectPath, reader); err != nil {
 		return err
 	}

pkgs/gateway/gateway.go

@@ -228,7 +228,7 @@ func SimpleEncodedStorageDriver(bucket string, input chan ObjectRequest, config
 }
 
 func SimpleFileStorageDriver(bucket string, input chan ObjectRequest, config GatewayConfig) {
-	fileStorage := fsstorage.NewStorage(config.DataDir)
+	fileStorage, _ := fsstorage.NewStorage(config.DataDir)
 	for request := range input {
 		switch request.requestType {
 		case "GET":