[geary: 3/10] Cleanup inefficient GMime stream creation for attachment !343

[Michael Gratton <mjog src gnome org>]

commit 366b0adbf9691ea091142606080cdc31f734e940
Author: Chris Heywood <15127-creywood users noreply gitlab gnome org>
Date:   Sat Oct 26 19:08:13 2019 +0200

    Cleanup inefficient GMime stream creation for attachment !343

 src/engine/rfc822/rfc822-message.vala | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)
---
diff --git a/src/engine/rfc822/rfc822-message.vala b/src/engine/rfc822/rfc822-message.vala
index 6cfd6658..bafa431e 100644
--- a/src/engine/rfc822/rfc822-message.vala
+++ b/src/engine/rfc822/rfc822-message.vala
@@ -476,12 +476,9 @@ public class Geary.RFC822.Message : BaseObject, EmailHeaderSet {
         GMime.Part part = new GMime.Part();
         part.set_disposition(disposition.serialize());
         part.set_filename(basename);
-
         part.set_content_type(content_type);
 
-        // TODO seems inefficient, surely there's a way to create a Glib.Stream using, say Memory.Buffer's 
InputStream.
-        GMime.StreamMem stream = new GMime.StreamMem.with_buffer(buffer.get_uint8_array());
-        stream.set_owner(false);
+        GMime.StreamMem stream = Utils.create_stream_mem(buffer);
 
         return yield finalise_attachment_part(stream, part, content_type, cancellable);
     }