shared_ptr -> std::shared_ptr

This is one of the first commits in a plan to remove all `using namespace std;` lines in the entire codebase as it is considered anti-pattern today.

Minecraft.World/RandomPos.h

@@ -8,10 +8,10 @@ private:
 	static Vec3 *tempDir;
 
 public:
-	static Vec3 *getPos(shared_ptr<PathfinderMob> mob, int xzDist, int yDist, int quadrant = -1);		// 4J added quadrant
-	static Vec3 *getPosTowards(shared_ptr<PathfinderMob> mob, int xzDist, int yDist, Vec3 *towardsPos);
-	static Vec3 *getPosAvoid(shared_ptr<PathfinderMob> mob, int xzDist, int yDist, Vec3 *avoidPos);
+	static Vec3 *getPos(std::shared_ptr<PathfinderMob> mob, int xzDist, int yDist, int quadrant = -1);		// 4J added quadrant
+	static Vec3 *getPosTowards(std::shared_ptr<PathfinderMob> mob, int xzDist, int yDist, Vec3 *towardsPos);
+	static Vec3 *getPosAvoid(std::shared_ptr<PathfinderMob> mob, int xzDist, int yDist, Vec3 *avoidPos);
 
 private:
-	static Vec3 *generateRandomPos(shared_ptr<PathfinderMob> mob, int xzDist, int yDist, Vec3 *dir, int quadrant = -1);		// 4J added quadrant
+	static Vec3 *generateRandomPos(std::shared_ptr<PathfinderMob> mob, int xzDist, int yDist, Vec3 *dir, int quadrant = -1);		// 4J added quadrant
 };