Don't crash when project repository doesn't exist.

CHANGELOG

 Please view this file on the master branch, on stable branches it's out of date.
 
 v 7.10.0 (unreleased)
+  - Don't crash when project repository doesn't exist.
   - Fix broken file browsing with a submodule that contains a relative link (Stan Hu)
   - Fix persistent XSS vulnerability around profile website URLs.
   - Fix project import URL regex to prevent arbitary local repos from being imported.

app/controllers/application_controller.rb

@@ -126,7 +126,7 @@ class ApplicationController < ActionController::Base
 
   def repository
     @repository ||= project.repository
-  rescue Grit::NoSuchPathError(e)
+  rescue Grit::NoSuchPathError => e
     log_exception(e)
     nil
   end