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/cast/c_skey.c b/src/lib/libcrypto/cast/c_skey.c
index 1cea8c8ab0..5f86effc3e 100644
--- a/src/lib/libcrypto/cast/c_skey.c
+++ b/src/lib/libcrypto/cast/c_skey.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: c_skey.c,v 1.11 2014/06/12 15:49:28 deraadt Exp $ */
+/* $OpenBSD: c_skey.c,v 1.12 2022/11/26 16:08:51 tb Exp $ */
 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
@@ -58,7 +58,7 @@
 
 #include <openssl/crypto.h>
 #include <openssl/cast.h>
-#include "cast_lcl.h"
+#include "cast_local.h"
 #include "cast_s.h"
 
 #define CAST_exp(l,A,a,n) \