Update ibus-chewing to 1.4.5.

* Thu Jan 16 2014 Ding-Yi Chen <dchen at redhat.com> - 1.4.5
- Resolves Bug 1013977 - ibus-chewing needs to have ibus write-cache --system in %post and %postun
- Resolves Bug 1027031 - CVE-2013-4509 ibus-chewing: ibus: visible password entry flaw [rhel-7.0]
- Resolves Bug 1028911 - [zh_TW]'Chinese<->English' switch does not work when clicking on the Chewing menu list.
- Resolves Bug 1045868 - ibus-chewing *again* not built with $RPM_OPT_FLAGS
- Option "Sync between caps lock and IM":
  + Default of  is changed to "disable",  because the previous default
    "keyboard" cause bug 1028911 for GNOME Shell.
  + Now Sync from "input method" can control Caps LED in GNOME shell.
- Translation added: de_DE, es_ES, it_IT, pt_BR, uk_UA

(obache)