[geary/wip/765516-gtk-widget-conversation-viewer] Fix build after shoddy rebase.

[Michael Gratton <mjog src gnome org>]

commit cb390dbc57b9255332a8980e4da0bf41eecca2bb
Author: Michael James Gratton <mike vee net>
Date:   Fri Sep 2 14:28:38 2016 +1000

    Fix build after shoddy rebase.

 src/engine/rfc822/rfc822-message.vala |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)
---
diff --git a/src/engine/rfc822/rfc822-message.vala b/src/engine/rfc822/rfc822-message.vala
index 045ec91..43082a9 100644
--- a/src/engine/rfc822/rfc822-message.vala
+++ b/src/engine/rfc822/rfc822-message.vala
@@ -918,7 +918,6 @@ public class Geary.RFC822.Message : BaseObject {
         GMime.StreamMem stream = new GMime.StreamMem.with_byte_array(byte_array);
         stream.set_owner(false);
 
-        GMime.StreamFilter stream_filter = new GMime.StreamFilter(stream);
         if (to_utf8) {
             // Assume encoded text, convert to unencoded UTF-8
             GMime.StreamFilter stream_filter = new GMime.StreamFilter(stream);