API compat macros for renamed X509_STORE_CTX functions

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

include/openssl/x509_vfy.h

@@ -316,6 +316,12 @@ void X509_STORE_CTX_set_verify(X509_STORE_CTX *ctx,
                                X509_STORE_CTX_verify verify);
 X509_STORE_CTX_verify X509_STORE_CTX_get_verify(X509_STORE_CTX *ctx);
 
+#if OPENSSL_API_COMPAT < 0x10100000L
+# define X509_STORE_CTX_get_chain X509_STORE_CTX_get0_chain
+# define X509_STORE_CTX_set_chain X509_STORE_CTX_set0_untrusted
+# define X509_STORE_CTX_trusted_stack X509_STORE_CTX_set0_trusted_stack
+#endif
+
 X509_LOOKUP *X509_STORE_add_lookup(X509_STORE *v, X509_LOOKUP_METHOD *m);
 X509_LOOKUP_METHOD *X509_LOOKUP_hash_dir(void);
 X509_LOOKUP_METHOD *X509_LOOKUP_file(void);