[cppcheck/f17] (4 commits) ...Update to 1.54.

[Jussi Lehtola]

Summary of changes:

  4950016... Update to 1.53. (*)
  c0488c2... Update to 1.54. (*)
  fd8f675... Update to 1.54.
  23d7c70... Update to 1.54.

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