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/lib/libcrypto/des/ncbc_enc.c b/src/lib/libcrypto/des/ncbc_enc.c
index 212796237d..f2e1274b7e 100644
--- a/src/lib/libcrypto/des/ncbc_enc.c
+++ b/src/lib/libcrypto/des/ncbc_enc.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: ncbc_enc.c,v 1.7 2014/10/28 07:35:58 jsg Exp $ */
+/* $OpenBSD: ncbc_enc.c,v 1.8 2022/11/26 16:08:51 tb Exp $ */
 /*
  * #included by:
  *    cbc_enc.c  (DES_cbc_encrypt)
@@ -61,7 +61,7 @@
  * [including the GNU Public Licence.]
  */
 
-#include "des_locl.h"
+#include "des_local.h"
 
 #ifdef CBC_ENC_C__DONT_UPDATE_IV
 void DES_cbc_encrypt(const unsigned char *in, unsigned char *out, long length,