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, 4 insertions, 4 deletions

diff --git a/src/lib/libcrypto/ec/ec_kmeth.c b/src/lib/libcrypto/ec/ec_kmeth.c
index 4203dff2d0..56fb437093 100644
--- a/src/lib/libcrypto/ec/ec_kmeth.c
+++ b/src/lib/libcrypto/ec/ec_kmeth.c
@@ -1,4 +1,4 @@
-/*      $OpenBSD: ec_kmeth.c,v 1.6 2021/12/04 16:08:32 tb Exp $ */
+/*      $OpenBSD: ec_kmeth.c,v 1.7 2022/11/26 16:08:52 tb Exp $ */
 /*
  * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
  * project.
@@ -58,9 +58,9 @@
 #endif
 #include <openssl/err.h>
 
-#include "bn_lcl.h"
-#include "ec_lcl.h"
-#include "ecs_locl.h"
+#include "bn_local.h"
+#include "ec_local.h"
+#include "ecs_local.h"
 
 static const EC_KEY_METHOD openssl_ec_key_method = {
         .name = "OpenSSL EC_KEY method",