replace the auto array "duration_error" with a malloced array.
prevents stack overflow on some plateforms
patch by Kristian Amlie %kristian A gridmedia P com %
Original thread:
Date: Mar 1, 2007 11:29 PM
Subject: [Ffmpeg-devel] Stack overflow patch

Originally committed as revision 8194 to svn://svn.ffmpeg.org/ffmpeg/trunk
