I agree with vh2580. The way it is now, the scale length would not be achievable using the tune-o-matic bridge. So the best thing to do would be to remove the neck and tidy the fretboard area.
OR If the neck cannot be removed, maybe:
1. Dowel and redrill the post holes to suite the scale length of the neck. (+ drill the ground wire hole).
2. Could the bridge be changed?
Could a bridge like used on some Gretsch's be used - like a Gretsch Adjust-O-Matic bridge? Care will need to be taken to get one with the correct string spacing and radius. The body post holes will need to be filled or covered. The kit tail piece will still work. This could be a reasonable option.
Could a hardtail bridge be used? I do not think the string height would be suitable, and the kit tail piece would not be used.