[gitg/wip/remove-webkit] Can avatar loading on diposing.

[Ignacio Casal Quinteiro <icq src gnome org>]

commit 5e02f962e58efd8024758c40859bdd224b75a3ed
Author: Ignacio Casal Quinteiro <icq gnome org>
Date:   Thu Aug 27 08:45:07 2015 +0200

    Can avatar loading on diposing.
    
    This fixes an assertion at exit.

 libgitg/gitg-diff-view-commit-details.vala |   10 ++++++++++
 1 files changed, 10 insertions(+), 0 deletions(-)
---
diff --git a/libgitg/gitg-diff-view-commit-details.vala b/libgitg/gitg-diff-view-commit-details.vala
index bd50e78..15d177d 100644
--- a/libgitg/gitg-diff-view-commit-details.vala
+++ b/libgitg/gitg-diff-view-commit-details.vala
@@ -136,6 +136,16 @@ class Gitg.DiffViewCommitDetails : Gtk.Grid
                });
        }
 
+       protected override void dispose()
+       {
+               if (d_avatar_cancel != null)
+               {
+                       d_avatar_cancel.cancel();
+               }
+
+               base.dispose();
+       }
+
        private string author_to_markup(Ggit.Signature author)
        {
                var name = Markup.escape_text(author.get_name());