upstream: remove legacy key emulation layer; ok djm@

OpenBSD-Commit-ID: 2b1f9619259e222bbd4fe9a8d3a0973eafb9dd8d
diff --git a/clientloop.c b/clientloop.c
index 7262a85..ad35cb7 100644
--- a/clientloop.c
+++ b/clientloop.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: clientloop.c,v 1.316 2018/07/09 21:20:26 markus Exp $ */
+/* $OpenBSD: clientloop.c,v 1.317 2018/07/11 18:53:29 markus Exp $ */
 /*
  * Author: Tatu Ylonen <ylo@cs.hut.fi>
  * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@@ -95,7 +95,7 @@
 #include "compat.h"
 #include "channels.h"
 #include "dispatch.h"
-#include "key.h"
+#include "sshkey.h"
 #include "cipher.h"
 #include "kex.h"
 #include "myproposal.h"