VOL-3808: Bugfix for Download Section Request 1 & 2

Change-Id: I93710ecfe111a1f89408fd7e461ce735bd5fc4f3
diff --git a/layers.go b/layers.go
index f05c34b..6eb09a9 100644
--- a/layers.go
+++ b/layers.go
@@ -154,6 +154,7 @@
 	nextLayerMapping[TestRequestType] = LayerTypeTestRequest
 	nextLayerMapping[StartSoftwareDownloadRequestType] = LayerTypeStartSoftwareDownloadRequest
 	nextLayerMapping[DownloadSectionRequestType] = LayerTypeDownloadSectionRequest
+	nextLayerMapping[DownloadSectionRequestWithResponseType] = LayerTypeDownloadSectionRequest
 	nextLayerMapping[EndSoftwareDownloadRequestType] = LayerTypeEndSoftwareDownloadRequest
 	nextLayerMapping[ActivateSoftwareRequestType] = LayerTypeActivateSoftwareRequest
 	nextLayerMapping[CommitSoftwareRequestType] = LayerTypeCommitSoftwareRequest