Make internal header file names consistent

Libcrypto currently has a mess of *_lcl.h, *_locl.h, and *_local.h names
used for internal headers. Move all these headers we inherited from
OpenSSL to *_local.h, reserving the name *_internal.h for our own code.
Similarly, move dtls_locl.h and ssl_locl.h to dtls_local and ssl_local.h.
constant_time_locl.h is moved to constant_time.h since it's special.

Adjust all .c files in libcrypto, libssl and regress.

The diff is mechanical with the exception of tls13_quic.c, where
#include <ssl_locl.h> was fixed manually.

discussed with jsing,
no objection bcook

1 files changed, 2 insertions, 2 deletions

diff --git a/src/lib/libcrypto/bn/bn_ctx.c b/src/lib/libcrypto/bn/bn_ctx.c
index 8ac1685a00..606db82f24 100644
--- a/src/lib/libcrypto/bn/bn_ctx.c
+++ b/src/lib/libcrypto/bn/bn_ctx.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: bn_ctx.c,v 1.17 2022/11/26 13:56:33 jsing Exp $ */
+/* $OpenBSD: bn_ctx.c,v 1.18 2022/11/26 16:08:51 tb Exp $ */
 /* Written by Ulf Moeller for the OpenSSL project. */
 /* ====================================================================
  * Copyright (c) 1998-2004 The OpenSSL Project.  All rights reserved.
@@ -67,7 +67,7 @@
 
 #include <openssl/err.h>
 
-#include "bn_lcl.h"
+#include "bn_local.h"
 
 /* TODO list
  *