[geary] Only add signature to draft once: Bug #731177

[Jim Nelson <jnelson src gnome org>]

commit 2cdec72b502cae6ba02ac2e985f807cd96e34bc5
Author: Gustavo Rubio <gus ahivamos net>
Date:   Tue Jun 10 12:38:34 2014 -0700

    Only add signature to draft once: Bug #731177

 src/client/composer/composer-widget.vala |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/src/client/composer/composer-widget.vala b/src/client/composer/composer-widget.vala
index 0f5d8d3..684b255 100644
--- a/src/client/composer/composer-widget.vala
+++ b/src/client/composer/composer-widget.vala
@@ -457,8 +457,8 @@ public class ComposerWidget : Gtk.EventBox {
             }
         }
         
-        // only add signature if the option is actually set
-        if (account.information.use_email_signature)
+        // only add signature if the option is actually set and if this is not a draft
+        if (account.information.use_email_signature && !is_referred_draft)
             add_signature();
         
         editor = new StylishWebView();