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/unit/tls_ext_alpn.c b/src/regress/lib/libssl/unit/tls_ext_alpn.c
index f0e4894557..d00f3efb5f 100644
--- a/src/regress/lib/libssl/unit/tls_ext_alpn.c
+++ b/src/regress/lib/libssl/unit/tls_ext_alpn.c
@@ -1,4 +1,4 @@
-/*      $OpenBSD: tls_ext_alpn.c,v 1.8 2022/10/02 16:38:23 jsing Exp $  */
+/*      $OpenBSD: tls_ext_alpn.c,v 1.9 2022/11/26 16:08:57 tb Exp $     */
 /*
  * Copyright (c) 2015 Doug Hogan <doug@openbsd.org>
  *
@@ -21,7 +21,7 @@
 #include <stdio.h>
 #include <openssl/ssl.h>
 
-#include "ssl_locl.h"
+#include "ssl_local.h"
 #include "ssl_tlsext.h"
 
 #include "tests.h"