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/des/pcbc_enc.c b/src/lib/libcrypto/des/pcbc_enc.c
index fda18ba83d..1f8688d1f3 100644
--- a/src/lib/libcrypto/des/pcbc_enc.c
+++ b/src/lib/libcrypto/des/pcbc_enc.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: pcbc_enc.c,v 1.6 2014/10/28 07:35:58 jsg Exp $ */
+/* $OpenBSD: pcbc_enc.c,v 1.7 2022/11/26 16:08:51 tb Exp $ */
 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
@@ -56,7 +56,7 @@
  * [including the GNU Public Licence.]
  */
 
-#include "des_locl.h"
+#include "des_local.h"
 
 void DES_pcbc_encrypt(const unsigned char *input, unsigned char *output,
                       long length, DES_key_schedule *schedule,