What’s the best cure to get Kennedy Jones out of a slump? Just put him in RBI situations, those are his favorite. After a weekend in which the junior slugger went just 1-for-13, Jones drove in four runs in No. 13 South Carolina’s 15-3 run-rule win over Winthrop on Tuesday night. [GamecockCentral for $1: In-depth coverage and a great community] Jones wasted no time getting going in first at-bat of the game, as he punched a two-run single through the left side to cap off a three-run first inning for the Gamecocks (33-15, 13-11 SEC). Later in the third, he crushed a two-run shot off the scoreboar…