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/evp/pmeth_lib.c b/src/lib/libcrypto/evp/pmeth_lib.c
index 19610dfbad..e4abdc4aec 100644
--- a/src/lib/libcrypto/evp/pmeth_lib.c
+++ b/src/lib/libcrypto/evp/pmeth_lib.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: pmeth_lib.c,v 1.25 2022/11/10 16:37:52 jsing Exp $ */
+/* $OpenBSD: pmeth_lib.c,v 1.26 2022/11/26 16:08:53 tb Exp $ */
 /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
  * project 2006.
  */
@@ -72,8 +72,8 @@
 #include <openssl/engine.h>
 #endif
 
-#include "asn1_locl.h"
-#include "evp_locl.h"
+#include "asn1_local.h"
+#include "evp_local.h"
 
 DECLARE_STACK_OF(EVP_PKEY_METHOD)
 STACK_OF(EVP_PKEY_METHOD) *pkey_app_methods = NULL;