Log Message:
Changes 3.0.11:
* Correct file descriptor leak when viewing a fax.
* Implement printing of faxes in fax lists via the GTK+ print system
  where compiled against GTK+2.10 or higher.
* Improve handling of user locales with streams.
* Use AC_COMPILE_IFELSE/AC_LANG_PROGRAM autoconf macros instead of
  the AC_TRY_COMPILE macro when configuring the program.
* Correct derivation of fdistream class for wide characters (not
  relevant to efax-gtk).
* Mention the need to call g_thread_init() before Notifier::init()
  in the Notifier documentation.
* Correct help information concerning sending faxes via socket and
  pop-up dialog.
* Explicitly include <ios> header where relevant.