[extensions-web] Fix a missing import

[Jasper St. Pierre <jstpierre src gnome org>]

commit 36e77c28e7860615b530653af973d19e2dfe45bf
Author: Jasper St. Pierre <jstpierre mecheye net>
Date:   Tue Nov 22 18:09:05 2011 -0500

    Fix a missing import

 sweettooth/review/diffview.py |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/sweettooth/review/diffview.py b/sweettooth/review/diffview.py
index dfbac78..7fcc504 100644
--- a/sweettooth/review/diffview.py
+++ b/sweettooth/review/diffview.py
@@ -1,6 +1,7 @@
 
 import pygments.formatters
 
+from django.utils.html import escape
 from review.diffutils import get_chunks, split_lines
 
 # Stolen from ReviewBoard