Update source files for pre-3.0 deprecation

Reviewed-by: Tim Hudson <tjh@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/10364)

ssl/methods.c

diff --git a/ssl/methods.c b/ssl/methods.c
index 0b03f80..6118fdb 100644
--- a/ssl/methods.c
+++ b/ssl/methods.c
@@ -172,7 +172,7 @@
                           DTLS_client_method,
                           ssl_undefined_function,
                           ossl_statem_connect, DTLSv1_2_enc_data)
-#if !OPENSSL_API_1_1_0
+#ifndef OPENSSL_NO_DEPRECATED_1_1_0
 # ifndef OPENSSL_NO_TLS1_2_METHOD
 const SSL_METHOD *TLSv1_2_method(void)
 {

ssl/ssl_lib.c

diff --git a/ssl/ssl_lib.c b/ssl/ssl_lib.c
index 2c901ff1..74161b0 100644
--- a/ssl/ssl_lib.c
+++ b/ssl/ssl_lib.c
@@ -4243,7 +4243,7 @@
     return X509_STORE_load_store(ctx->cert_store, CAstore);
 }
 
-#if OPENSSL_API_LEVEL < 3
+#ifndef OPENSSL_NO_DEPRECATED_3_0
 int SSL_CTX_load_verify_locations(SSL_CTX *ctx, const char *CAfile,
                                   const char *CApath)
 {
@@ -4668,7 +4668,7 @@
     return s->server;
 }
 
-#if !OPENSSL_API_1_1_0
+#ifndef OPENSSL_NO_DEPRECATED_1_1_0
 void SSL_set_debug(SSL *s, int debug)
 {
     /* Old function was do-nothing anyway... */