[mozc/f18] (2 commits) ...Requires ibus >= 1.5.3 for writing ibus cache

[Akira TAGOH]

Summary of changes:

  0cfd2ec... Update ibus cache at %post/%postun. (*)
  bc22513... Requires ibus >= 1.5.3 for writing ibus cache (*)

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