[cups/f20] (3 commits) ...Track local default in cupsEnumDests() (STR #4332).

[Tim Waugh]

Summary of changes:

  3933cbc... Prevent feedback loop when fetching error_log over HTTP (ST (*)
  fb3a0f4... libcups: avoid race condition when sending IPP requests (ST (*)
  fbc1998... Track local default in cupsEnumDests() (STR #4332). (*)

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