avidemux2.6: 2.6.4-1~getdeb1

  * New upstream version
    * Switched to mxe-octave for win32 build, that fixes most of the crashes
    on win32
    * Better compatibility with AAC in mpeg TS
    * Translations re-enabled
    * Fixed a bug in x264 which could make encoding abort right at the
    beginning
    * Fixed msharpen when width was not a multiple of 8
    * Added camtasia codec support
    * Fixed VC1 in TS indexing
    * Properly clear things when loading a new video
    * Report proper audio duration for mpeg PS/TS
    * Report proper audio duration for mpeg PS/TS
    * Ass/ssa filter re-enabled