[mksh/f15] (4 commits) ...Use new "Build.sh -r -c lto" rather "Build.sh -r -combine"

[Robert Scheck]

Summary of changes:

  c271438... Upgrade to 40b (*)
  ac05c84... Added forgotten Source0 (*)
  b8686a6... Do not run any test requiring openpty(3) until Fedora build (*)
  a43097b... Use new "Build.sh -r -c lto" rather "Build.sh -r -combine" (*)

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