Sometimes if 2 requests were creating the cache dir simultaniously, one of them would error out .. so re-check before throwing an error
Sometimes if 2 requests were creating the cache dir simultaniously, one of them would error out .. so re-check before throwing an error

git-svn-id: 2d40e98957f9f20f5ce77bde55198011fc5ba896@671512 13f79535-47bb-0310-9956-ffa450edef68

hgschmie/shindig,hgschmie/shindig,hgschmie/shindig,hgschmie/shindig