openssl: fix warning with boringssl and SSL_CTX_set_min_proto_version

Follow-up to ffe34b7b59
Closes #4359

diff --git a/lib/vtls/openssl.c b/lib/vtls/openssl.c
index 216ed9fc59e8d564893bf3670db7d23e023fa9a3..0614667a9f0c6dd6b0b4335328656450e999eab0 100644 (file)
--- a/lib/vtls/openssl.c
+++ b/lib/vtls/openssl.c
@@ -2165,8 +2165,13 @@ set_ssl_version_min_max(SSL_CTX *ctx, struct connectdata *conn)
   long curl_ssl_version_max;
 
   /* convert cURL min SSL version option to OpenSSL constant */
+#ifdef OPENSSL_IS_BORINGSSL
+  uint16_t ossl_ssl_version_min = 0;
+  uint16_t ossl_ssl_version_max = 0;
+#else
   long ossl_ssl_version_min = 0;
   long ossl_ssl_version_max = 0;
+#endif
   switch(curl_ssl_version_min) {
     case CURL_SSLVERSION_TLSv1: /* TLS 1.x */
     case CURL_SSLVERSION_TLSv1_0:
@@ -2186,10 +2191,10 @@ set_ssl_version_min_max(SSL_CTX *ctx, struct connectdata *conn)
   }
 
   /* CURL_SSLVERSION_DEFAULT means that no option was selected.
-    We don't want to pass 0 to SSL_CTX_set_min_proto_version as
-    it would enable all versions down to the lowest supported by
-    the library.
-    So we skip this, and stay with the OS default
+     We don't want to pass 0 to SSL_CTX_set_min_proto_version as
+     it would enable all versions down to the lowest supported by
+     the library.
+     So we skip this, and stay with the OS default
   */
   if(curl_ssl_version_min != CURL_SSLVERSION_DEFAULT) {
     if(!SSL_CTX_set_min_proto_version(ctx, ossl_ssl_version_min)) {