SSL: compatibility with OpenSSL master branch.

The SSL_CTRL_SET_CURVES_LIST macro is removed in the OpenSSL master branch.
SSL_CTX_set1_curves_list is preserved as compatibility with previous versions.

src/event/ngx_event_openssl.c

diff --git a/src/event/ngx_event_openssl.c b/src/event/ngx_event_openssl.c
index 148705c..fdbd0c9 100644
--- a/src/event/ngx_event_openssl.c
+++ b/src/event/ngx_event_openssl.c
@@ -1090,7 +1090,7 @@
      * maximum interoperability.
      */
 
-#ifdef SSL_CTRL_SET_CURVES_LIST
+#if (defined SSL_CTX_set1_curves_list || defined SSL_CTRL_SET_CURVES_LIST)
 
     /*
      * OpenSSL 1.0.2+ allows configuring a curve list instead of a single