Bugfix in pygit.views.diff_all.

diff --git a/pygit/views.py b/pygit/views.py
index 2e137ca..776cdfc 100644
--- a/pygit/views.py
+++ b/pygit/views.py
@@ -109,6 +109,8 @@ def diff_file(request,rid,branch,cid,path):
     request)

 def diff_all(request,rid,branch,cid):
+  message = pygit.commit_message(rid,cid)
+  total,files = pygit.commit_stats(rid,cid)
   ds = pygit.diff_all(rid,cid)
   if ds:
     ds = [(d[0],d[1], files[d[0]]) for d in ds]