Cleanup: support EVP_MD_CTX_(create|init|destroy) for deprecated use

Reviewed-by: Rich Salz <rsalz@openssl.org>

include/openssl/evp.h

diff --git a/include/openssl/evp.h b/include/openssl/evp.h
index e7b187d..d8fbba1 100644
--- a/include/openssl/evp.h
+++ b/include/openssl/evp.h
@@ -575,6 +575,11 @@
 EVP_MD_CTX *EVP_MD_CTX_new(void);
 int EVP_MD_CTX_reset(EVP_MD_CTX *ctx);
 void EVP_MD_CTX_free(EVP_MD_CTX *ctx);
+# ifdef OPENSSL_USE_DEPRECATED
+#  define EVP_MD_CTX_create()     EVP_MD_CTX_new()
+#  define EVP_MD_CTX_init(ctx)    EVP_MD_CTX_reset((ctx))
+#  define EVP_MD_CTX_destroy(ctx) EVP_MD_CTX_free((ctx))
+# endif
 /*__owur*/ int EVP_MD_CTX_copy_ex(EVP_MD_CTX *out, const EVP_MD_CTX *in);
 void EVP_MD_CTX_set_flags(EVP_MD_CTX *ctx, int flags);
 void EVP_MD_CTX_clear_flags(EVP_MD_CTX *ctx, int flags);