[Fix] Add missing <optional> include to html_url_rewrite.hxx

diff --git a/src/libserver/html/html_url_rewrite.hxx b/src/libserver/html/html_url_rewrite.hxx
index ed6ffce89a67c9857d6528008890258297255190..970f492bec23c8896efd5da7677396b4fa219255 100644 (file)
--- a/src/libserver/html/html_url_rewrite.hxx
+++ b/src/libserver/html/html_url_rewrite.hxx
@@ -22,6 +22,7 @@
 #include <string_view>
 #include <vector>
 #include <cstddef>
+#include <optional>
 
 struct rspamd_task;