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, 3 insertions, 3 deletions

diff --git a/src/lib/libcrypto/dsa/dsa_gen.c b/src/lib/libcrypto/dsa/dsa_gen.c
index 53a5ce0d76..9c2b9cfd70 100644
--- a/src/lib/libcrypto/dsa/dsa_gen.c
+++ b/src/lib/libcrypto/dsa/dsa_gen.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: dsa_gen.c,v 1.25 2022/11/19 06:33:00 tb Exp $ */
+/* $OpenBSD: dsa_gen.c,v 1.26 2022/11/26 16:08:52 tb Exp $ */
 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
@@ -68,8 +68,8 @@
 #include <openssl/evp.h>
 #include <openssl/sha.h>
 
-#include "bn_lcl.h"
-#include "dsa_locl.h"
+#include "bn_local.h"
+#include "dsa_local.h"
 
 int
 DSA_generate_parameters_ex(DSA *ret, int bits, const unsigned char *seed_in,