Fix remaining 32-bit compile issues

Change-Id: I9664214652229b663c3e3ba7406b4ede96bfb123
Signed-off-by: Damjan Marion <damarion@cisco.com>
diff --git a/src/vnet/session/application_interface.c b/src/vnet/session/application_interface.c
index ad44baa..f74b0cf 100644
--- a/src/vnet/session/application_interface.c
+++ b/src/vnet/session/application_interface.c
@@ -247,7 +247,7 @@
 			      a->session_cb_vft)))
     return rv;
 
-  a->app_event_queue_address = (u64) app->event_queue;
+  a->app_event_queue_address = pointer_to_uword (app->event_queue);
   sm = segment_manager_get (app->first_segment_manager);
   segment_manager_get_segment_info (sm->segment_indices[0],
 				    &seg_name, &a->segment_size);