Log Message:
Update Sylpheed to 0.9.5.
Changes:

    * The size, the position, and the visibility of separated views are
      now remembered.
    * The per-folder settings are now preserved even if a folder tree is
      rebuilt.
    * The receive dialog's option to display the dialog only on manual
      receiving has been added.
    * 'Top' and 'Bottom' button has been added on the filter setting
      dialog.
    * The UIDPLUS extension of IMAP4rev1 has been supported.
    * The folder system has been cleaned up a bit.
    * The sylpheed.spec file bundled in the source package has been
      improved.
    * The format of MIME boundary has been modified.
    * A memory leak and a buffer overrun have been fixed.