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/libcrypto/sm2/sm2sigtest.c b/src/regress/lib/libcrypto/sm2/sm2sigtest.c
index bd156799b8..2ded5c45ba 100644
--- a/src/regress/lib/libcrypto/sm2/sm2sigtest.c
+++ b/src/regress/lib/libcrypto/sm2/sm2sigtest.c
@@ -1,4 +1,4 @@
-/*      $OpenBSD: sm2sigtest.c,v 1.1.1.1 2021/08/18 16:06:56 tb Exp $ */
+/*      $OpenBSD: sm2sigtest.c,v 1.2 2022/11/26 16:08:56 tb Exp $ */
 /*
  * Copyright (c) 2017, 2019 Ribose Inc
  *
@@ -35,7 +35,7 @@ main(int argc, char *argv[])
 }
 #else
 #include <openssl/sm2.h>
-#include "sm2_locl.h"
+#include "sm2_local.h"
 
 static EC_GROUP *
 create_EC_group(const char *p_hex, const char *a_hex, const char *b_hex,