Log Message:
Update to 0.9.4

Changelog:
pdf2djvu (0.9.4) unstable; urgency=low

  [ Jakub Wilk ]
  * Standardize on American spelling in the manual page.
  * Document that bugs can be reported to the mailing list.
  * Fix build failure with GCC 6.
    Thanks to Martin Michlmayr for the bug report.
    https://bugs.debian.org/812007
  * Improve warning message when a link with an unsupported
    action type is encountered.
    Thanks to Janusz S. Bień for the bug report.
    https://groups.io/g/pdf2djvu/message/26
  * Improve error handling in out-of-memory situations.
    Thanks to Daniel Stender for the bug report.
    https://bitbucket.org/jwilk/pdf2djvu/issue/107
  * Use HTTPS for sourceforge.net and freedesktop.org URLs.
  * Improve the test suite.
  * Update the Polish translation.

  [ Chris Leick ]
  * Update the German translation.

  [ Américo Monteiro ]
  * Update the Portuguese translation.

  [ Kyrill Detinov ]
  * Update the Russian translation.

  [ Jean-Paul Guillonneau ]
  * Update the French translation of the manual page.

 -- Jakub Wilk <jwilk@jwilk.net>  Wed, 24 Feb 2016 18:34:05 +0100