SSL: logging level of "https proxy request" errors.
The "http request" and "https proxy request" errors cannot happen
with HTTP due to pre-handshake checks in ngx_http_ssl_handshake(),
but can happen when SSL is used in stream and mail modules.
diff --git a/src/event/ngx_event_openssl.c b/src/event/ngx_event_openssl.c
index fe14a29..b868056 100644
--- a/src/event/ngx_event_openssl.c
+++ b/src/event/ngx_event_openssl.c
@@ -2062,6 +2062,8 @@
|| n == SSL_R_DIGEST_CHECK_FAILED /* 149 */
|| n == SSL_R_ERROR_IN_RECEIVED_CIPHER_LIST /* 151 */
|| n == SSL_R_EXCESSIVE_MESSAGE_SIZE /* 152 */
+ || n == SSL_R_HTTPS_PROXY_REQUEST /* 155 */
+ || n == SSL_R_HTTP_REQUEST /* 156 */
|| n == SSL_R_LENGTH_MISMATCH /* 159 */
#ifdef SSL_R_NO_CIPHERS_PASSED
|| n == SSL_R_NO_CIPHERS_PASSED /* 182 */
