[mdadm] (6 commits) ...More compile fixes (this is getting a bit ridiculous)

[Doug Ledford]

Summary of changes:

  7d8ba69... Update to latest stable upstream release, resolve multiple  (*)
  47d1109... Fix compile issues on build system (*)
  78bb9b4... More compile fixes (*)
  27c1d16... More compile fixes. (*)
  7e15eef... Rework the last fix to avoid an unheeded return error (*)
  5c28390... More compile fixes (this is getting a bit ridiculous) (*)

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