Log Message:
Update to 0.8.11, provided by Min Sik Kim in PR pkg/24257.

Changes:

    - fixed a bug that prevented xCHM from properly figuring out
      where to construct the table of contents from.
    - fixed a bug that prevented the table of contents links to
      work properly w/ some books.
    - made the configure script sh friendly.
    - added Chanler White Mac OS X patch to be able to use the
      mouse wheel to scroll under Mac OS X.
    - replaced the application icon with a much better one
      contributed by Steven Chan.