[firefox/f18] (3 commits) ...fixed duckduckgo patch

[Jan Horak]

Summary of changes:

  d5c6caa... Added duckduckgo.com (*)
  0e0f022... Added duckduckgo search engine (*)
  df7e19f... fixed duckduckgo patch (*)

(*) This commit already existed in another branch; no separate mail sent