Make sure that when we destruct the pointer array that we set the address to NULL and size to 0. This will help to flag accidental usage of a destructed pointer array object.

This commit was SVN r21216.

opal/class/opal_pointer_array.c

@@ -59,8 +59,11 @@ static void opal_pointer_array_destruct(opal_pointer_array_t *array)
     /* free table */
     if( NULL != array->addr) {
         free(array->addr);
+        array->addr = NULL;
     }
 
+    array->size = 0;
+
     OBJ_DESTRUCT(&array->lock);
 }