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, 3 deletions

diff --git a/src/lib/libssl/tls13_quic.c b/src/lib/libssl/tls13_quic.c
index bb7317d4c5..e5c386ea36 100644
--- a/src/lib/libssl/tls13_quic.c
+++ b/src/lib/libssl/tls13_quic.c
@@ -1,4 +1,4 @@
-/*      $OpenBSD: tls13_quic.c,v 1.6 2022/08/30 18:23:40 tb Exp $ */
+/*      $OpenBSD: tls13_quic.c,v 1.7 2022/11/26 16:08:56 tb Exp $ */
 /*
  * Copyright (c) 2022 Joel Sing <jsing@openbsd.org>
  *
@@ -15,8 +15,7 @@
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
-#include <ssl_locl.h>
-
+#include "ssl_local.h"
 #include "tls13_internal.h"
 
 static ssize_t