Committed iwgeric patch for native bullet PhysicCollisionEvent

http://jmonkeyengine.org/groups/android/forum/topic/null-objects-in-collision-callbacks-on-android-resolved/#post-169899

git-svn-id: https://jmonkeyengine.googlecode.com/svn/trunk@9274 75d07b2b-3a1a-0410-a2c5-0572b91ccdca

engine/src/bullet/com/jme3/bullet/collision/PhysicsCollisionEvent.java

@@ -53,6 +53,9 @@ public class PhysicsCollisionEvent extends EventObject {
 
     public PhysicsCollisionEvent(int type, PhysicsCollisionObject nodeA, PhysicsCollisionObject nodeB, long manifoldPointObjectId) {
         super(nodeA);
+        this.type = type;
+        this.nodeA = nodeA;
+        this.nodeB = nodeB;
         this.manifoldPointObjectId = manifoldPointObjectId;
     }