Exporting DownloadResults struct for SoftwareDownload support

Change-Id: I21795c2fee91ad4719d56a4d192109001d61541d
diff --git a/meframe.go b/meframe.go
index 70edf4f..d53a669 100644
--- a/meframe.go
+++ b/meframe.go
@@ -286,7 +286,7 @@
 	WindowSize   uint8 // Window size - 1
 	ImageSize    uint32
 	CircuitPacks []uint16 // slot (upper 8 bits) and instance (lower 8 bits)
-	Results      []downloadResults
+	Results      []DownloadResults
 }
 
 var defaultSoftwareOptions = SoftwareOptions{