Log Message:
Update uim to 1.8.2.
PR 46840 by YAMASHIRO, Jun.
added comments to patches from mef@.

Overview of changes from 1.8.1 to 1.8.2
=======================================
* Fixes
  - uim-gtk3
    * Avoid problem with the wrap mode
    * Prevent selection if needed

  - uim-tutcode
    * Fix error when label key is typed just after entering
      interactive bushu mode
    * Fix error on auto help after bushu conversion for some kanji
    * Fix mismatch between preedit display and pending keys after focus out

* Enhancements
  - uim-skk
    * Support sticky key

* Others
  - uim-candwin-qt4
  - uim-chardict-qt4
  - uim-pref-qt4
  - uim-im-switcher-qt4
  - uim-toolbar-qt4
  - uim-qt4
    * Honor CPPFLAGS in compilation

  - uim-candiwn-gtk3
  - uim-dict-gtk3
  - uim-input-pad-ja-gtk3
  - uim-pref-gtk3
  - uim-im-switcher-gtk3
  - uim-toolbar-gtk3
  - uim-gtk3
    * Replace deprecated functions