Bump LIBASS_VERSION
Bump LIBASS_VERSION

The ABI was broken and a new API function were introduced.

richardpl/libass,xbmc/libass,Akemi/libass,blinkseb/libass,blinkseb/libass,libass/libass,torque/libass,Akemi/libass,pigoz/libass-ct,stps/libass,grigorig/libass,tgoyne/libass,pigoz/libass-ct,grigorig/libass,mwgoldsmith/libass,libass/libass,ShiftMediaProject/libass,Akemi/libass,xbmc/libass,stps/libass,MrSmile/libass,tgoyne/libass,richardpl/libass,MrSmile/libass,blinkseb/libass,tgoyne/libass,astiob/libass,ShiftMediaProject/libass,sanyaade-g2g-repos/libass,mwgoldsmith/libass,stps/libass,astiob/libass,torque/libass,pigoz/libass-ct,mwgoldsmith/libass,sanyaade-g2g-repos/libass,torque/libass,richardpl/libass,sanyaade-g2g-repos/libass