[openttd/f20] (3 commits) ...update to 1.4.3

[Felix Kaechele]

Summary of changes:

  abac241... - Rebuilt for https://fedoraproject.org/wiki/Fedora_21_22_M (*)
  271c587... rebuild for ICU 53.1 (*)
  65ccb67... update to 1.4.3 (*)

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