SANTA CLARA Coach Jim Harbaugh was in a charitable mood Thursday, ending his team’s final practice of the spring 35 minutes early and then handing out 59 certificates and T-shirts to the players who achieved perfect attendance during the 49ers’ offseason program.49ers linebackers Dan Skuta , left, and Aldon Smith (99) maneuver Thursday, the last day of the team’s spring minicamp in Santa Clara.Jim Harbaugh