nginx: enable ssl support if openssl is installed

network/nginx/nginx.conf

@@ -39,3 +39,9 @@ logdir="$localstatedir/log/$pkg"
 echo_status "logdir: $logdir"
 var_append confopt ' ' "--http-log-path=$logdir/access.log"
 var_append confopt ' ' "--error-log-path=$logdir/error.log"
+
+# ssl support
+if pkginstalled openssl; then
+	var_append confopt ' ' "--with-http_ssl_module"
+fi
+