Comment 2 for bug 1378284

StacktraceTop:
 ply_renderer_get_buffer_for_head (renderer=0x3ff0000000000000, head=0x0) at ply-renderer.c:328
 ply_pixel_display_draw_area (display=0x15faef0, x=347, y=316, width=21, height=21) at ply-pixel-display.c:144
 draw_area (data=0x15f7840, height=<optimized out>, width=<optimized out>, y=<optimized out>, x=<optimized out>) at ./script-lib-sprite.c:537
 script_lib_sprite_refresh (data=0x15f7840) at ./script-lib-sprite.c:837
 stop_script_animation (plugin=0x15f7250) at ./plugin.c:320