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

2 files changed, 4 insertions, 4 deletions

diff --git a/src/regress/lib/libcrypto/evp/evp_pkey_cleanup.c b/src/regress/lib/libcrypto/evp/evp_pkey_cleanup.c
index 5f8cc20d74..20a385588e 100644
--- a/src/regress/lib/libcrypto/evp/evp_pkey_cleanup.c
+++ b/src/regress/lib/libcrypto/evp/evp_pkey_cleanup.c
@@ -1,4 +1,4 @@
-/*      $OpenBSD: evp_pkey_cleanup.c,v 1.1 2022/03/30 08:57:26 tb Exp $ */
+/*      $OpenBSD: evp_pkey_cleanup.c,v 1.2 2022/11/26 16:08:56 tb Exp $ */
 
 /*
  * Copyright (c) 2022 Theo Buehler <tb@openbsd.org>
@@ -20,7 +20,7 @@
 
 #include <openssl/evp.h>
 
-#include "evp_locl.h"
+#include "evp_local.h"
 
 struct pkey_cleanup_test {
         const char *name;
diff --git a/src/regress/lib/libcrypto/evp/evp_test.c b/src/regress/lib/libcrypto/evp/evp_test.c
index c4721cc365..dbfe442377 100644
--- a/src/regress/lib/libcrypto/evp/evp_test.c
+++ b/src/regress/lib/libcrypto/evp/evp_test.c
@@ -1,4 +1,4 @@
-/*      $OpenBSD: evp_test.c,v 1.2 2022/11/09 17:15:59 jsing Exp $ */
+/*      $OpenBSD: evp_test.c,v 1.3 2022/11/26 16:08:56 tb Exp $ */
 /*
  * Copyright (c) 2022 Joel Sing <jsing@openbsd.org>
  *
@@ -18,7 +18,7 @@
 #include <openssl/evp.h>
 #include <openssl/ossl_typ.h>
 
-#include "evp_locl.h"
+#include "evp_local.h"
 
 static int
 evp_asn1_method_test(void)