session: fix app wrk free leak

Type: fix

Change-Id: I9c48b163f174b824df1a76e75c272dc985386bf2
Signed-off-by: Florin Coras <fcoras@cisco.com>
diff --git a/src/vnet/session/application_worker.c b/src/vnet/session/application_worker.c
index 5a74028..64345e2 100644
--- a/src/vnet/session/application_worker.c
+++ b/src/vnet/session/application_worker.c
@@ -102,7 +102,7 @@
 	  segment_manager_init_free (sm);
 	}
     }
-  vec_reset_length (handles);
+  vec_free (handles);
   vec_free (sm_indices);
   hash_free (app_wrk->listeners_table);