McLean, 25, saw his future away from London Road earlier in the month, with Wolves having two bids for the player rejected.
The club' chairman Darragh MacAnthony was critical of the striker, who scored 33 goals in League Two last season, but the matter now appears to have been resolved.
The club' chairman Darragh MacAnthony was critical of the striker, who scored 33 goals in League Two last season, but the matter now appears to have been resolved.