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/regress/lib/libssl/dtls/dtlstest.c b/src/regress/lib/libssl/dtls/dtlstest.c
index 2d0d6cf5e8..a749bcf0ed 100644
--- a/src/regress/lib/libssl/dtls/dtlstest.c
+++ b/src/regress/lib/libssl/dtls/dtlstest.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: dtlstest.c,v 1.17 2022/10/26 20:31:38 tb Exp $ */
+/* $OpenBSD: dtlstest.c,v 1.18 2022/11/26 16:08:56 tb Exp $ */
 /*
  * Copyright (c) 2020, 2021 Joel Sing <jsing@openbsd.org>
  *
@@ -28,7 +28,7 @@
 #include <openssl/ssl.h>
 
 #include "bio_local.h"
-#include "ssl_locl.h"
+#include "ssl_local.h"
 
 const char *server_ca_file;
 const char *server_cert_file;