session: handle close before app accept reply

Change-Id: Ic35bbf55851087d70bfacc1eab4dea4285f98c86
Signed-off-by: Florin Coras <fcoras@cisco.com>
diff --git a/src/vnet/session/session.c b/src/vnet/session/session.c
index a03b53d..b48459d 100644
--- a/src/vnet/session/session.c
+++ b/src/vnet/session/session.c
@@ -822,8 +822,7 @@
       stream_session_delete (s);
       break;
     default:
-      /* Assume connection was not yet added the lookup table */
-      session_free_w_fifos (s);
+      stream_session_delete (s);
       break;
     }
 }