server session FEATURE check hello and idle timeouts
diff --git a/src/session_p.h b/src/session_p.h
index c4ea43b..3aa09cc 100644
--- a/src/session_p.h
+++ b/src/session_p.h
@@ -222,6 +222,7 @@
     struct nc_msg_cont *notifs;    /**< queue for notifications received instead of RPC reply */
 
     /* server side only data */
+    time_t last_rpc;
 #ifdef ENABLE_SSH
     /* additional flags */
 #   define NC_SESSION_SSH_AUTHENTICATED 0x02