[MPlayer-dev-eng] [PATCH] More libass fixes by Grigori

[Eric Appleman]

Here's a demonstrative comparison between VSFilter 2.39e, libass svn, 
and Greg's patches. The source video is the softsubbed opening sequence 
of Toradora episode 19.

vsfilter (ignore the res, lack of scaling, and missing text): 
http://img149.imageshack.us/img149/1677/referencexl4.png

libass svn: http://img25.imageshack.us/img25/2676/libasssvntestas6.png

libass greg: http://img27.imageshack.us/img27/9421/libassgregtestyj9.png