upstream commit

clear session keys from memory; ok djm@

Upstream-ID: ecd178819868975affd5fd6637458b7c712b6a0f
diff --git a/opacket.h b/opacket.h
index 46d31f8..c49d0c0 100644
--- a/opacket.h
+++ b/opacket.h
@@ -149,5 +149,7 @@
 	ssh_packet_set_mux(active_state)
 #define packet_get_mux() \
 	ssh_packet_get_mux(active_state)
+#define packet_clear_keys() \
+	ssh_packet_clear_keys(active_state)
 
 #endif /* _OPACKET_H */