[multiple] ignore openssl 3.0.0 deprecation warns

quiet openssl 3.0.0 deprecation warnings for
low-level digest algorithm interfaces

future: migrate to openssl interfaces:
  EVP_DigestInit_ex(3), EVP_DigestUpdate(3), and EVP_DigestFinal_ex(3)

x-ref:
  https://github.com/openssl/openssl/pull/10791
  https://www.openssl.org/docs/manmaster/man3/EVP_DigestInit_ex.html
  https://wiki.openssl.org/index.php/EVP_Message_Digests

src/mod_openssl.c

@@ -50,6 +50,7 @@
 #endif
 
 #include "sys-crypto.h"
+#include "sys-crypto-md.h"
 
 #ifdef BORINGSSL_API_VERSION
 #undef OPENSSL_NO_STDIO /* for X509_STORE_load_locations() */

src/sys-crypto-md.h

@@ -257,6 +257,13 @@ SHA256_Update(SHA256_CTX *ctx, const void *data, size_t length)
 
 #elif defined(USE_OPENSSL_CRYPTO)
 
+#include <openssl/opensslv.h>
+#if OPENSSL_VERSION_NUMBER >= 0x30000000L
+#include <openssl/macros.h>
+#undef DEPRECATEDIN_3_0
+#define DEPRECATEDIN_3_0(f) f;
+#endif
+
 #include <openssl/md4.h>
 #include <openssl/md5.h>
 #include <openssl/sha.h>