Fixed #845 -- flatpages middleware no longer throws 404 exception for DEBUG=True. Thanks, Hugo

git-svn-id: http://code.djangoproject.com/svn/django/trunk@1296 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django/contrib/flatpages/middleware.py

 from django.contrib.flatpages.views import flatpage
+from django.core.extensions import Http404
 from django.conf.settings import DEBUG
 
 class FlatpageFallbackMiddleware:
@@ -9,6 +10,8 @@ class FlatpageFallbackMiddleware:
             return flatpage(request, request.path)
         # Return the original response if any errors happened. Because this
         # is a middleware, we can't assume the errors will be caught elsewhere.
+        except Http404:
+            return response
         except:
             if DEBUG:
                 raise