Make sure all patches are cached in time.

Make sure all patches are cached even if they apply to earlier packages. If patches are authored later in the sequence, they may not be cached in time to be installed with an MSI already planned.

src/burn/engine/mspengine.cpp

@@ -890,8 +890,8 @@ static HRESULT PlanTargetProduct(
             pWaitSyncPointAction->type = BURN_EXECUTE_ACTION_TYPE_WAIT_SYNCPOINT;
             pWaitSyncPointAction->syncpoint.hEvent = hCacheEvent;
 
-            // Since we inserted an action before the MSP target action that we will be updating, need to increment the pointer.
-            ++pAction;
+            // Since we inserted an action before the MSP target action that we will be updating, need to update the pointer.
+            pAction = pPlan->rgExecuteActions + (dwInsertSequence + 1);
         }
     }