collision index is changed to prevent error while MC run

Author: sandeep dudi

PWGLF/Utils/svPoolCreator.h

@@ -130,7 +130,7 @@ class svPoolCreator
 
     // now loop over all the collisions to make the pool
     for (int collIdx = firstCollIdx; collIdx < collisions.size(); collIdx++) {
-      const auto& collision = collisions.rawIteratorAt(i);
+      const auto& collision = collisions.rawIteratorAt(collIdx);
       float collTime = collision.collisionTime();
       float collTimeRes2 = collision.collisionTimeRes() * collision.collisionTimeRes();
       uint64_t collBC = collision.template bc_as<BC>().globalBC();