Fixed crash when zero predictions are returned.
Fixed crash when zero predictions are returned.

naturalness/unnaturalcode,naturalness/unnaturalcode,orezpraw/unnaturalcode,orezpraw/unnaturalcode,orezpraw/unnaturalcode,orezpraw/unnaturalcode,naturalness/unnaturalcode,orezpraw/unnaturalcode,naturalness/unnaturalcode,naturalness/unnaturalcode,naturalness/unnaturalcode,orezpraw/estimate-charm,orezpraw/unnaturalcode,naturalness/unnaturalcode,orezpraw/unnaturalcode