Fix build without fontconfig
Fix build without fontconfig

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