Fix to prevent infinite regress when HFTextView is bound to something with a nil data.
Fix to prevent infinite regress when HFTextView is bound to something with a nil data.


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