SAN FRANCISCO — With one swing, Casey Schmitt got the ultimate redemption. After making outs on the bases in each of the Giants’ past two games , including one early on Saturday that cost them a run, Schmitt quickly made the 38,589 inside Oracle Park forget all about it. The Giants’ Casey Schmitt led his team to victory Saturday against the Marlins in San Francisco. IMAGN IMAGES via Reuters Connect Schmitt’s base-running error looked pivotal when he came to the plate with the score tied at 1 in the sixth inning against the Marlins. It became irrelevant as soon as the rocket off his bat landed in the left field for a tie-breaking two-run home run that proved to be the difference in a 6-2 win. Robbie Ray labored through five innings, pitching around three walks and traffic on the bases in all but one of his frames, but did enough to earn the decision despite his pitch count sitting at 74 after three. What it means The start was Ray’s sixth of the season and the fifth time he’s taken the ball following a loss.…