Tweak line-numbering drawing
Tweak line-numbering drawing

Pre-existing code was faster and worked better for more fonts,
not sure why the slower/less compatible drawing was being used.

thx0701/HexFiend,kedh/HexFiend,thx0701/HexFiend,saulogt/HexFiend,kedh/HexFiend,pandazheng/HexFiend,kedh/HexFiend,thx0701/HexFiend,pandazheng/HexFiend,saulogt/HexFiend,pandazheng/HexFiend,pandazheng/HexFiend,kedh/HexFiend,saulogt/HexFiend,thx0701/HexFiend,saulogt/HexFiend