texture_font_delete() fix
texture_font_delete() fix

cbratschi/aminogfx-gl,joshmarinacci/aminogfx-gl,joshmarinacci/aminogfx-gl,cbratschi/aminogfx-gl,joshmarinacci/aminogfx-gl,joshmarinacci/aminogfx-gl,joshmarinacci/aminogfx-gl,cbratschi/aminogfx-gl,cbratschi/aminogfx-gl,cbratschi/aminogfx-gl