[Minor] Missing include?

diff --git a/src/libserver/css/css_selector.hxx b/src/libserver/css/css_selector.hxx
index 1e5f5bb1305cb9da717d08133921d8183f15b6bd..59f7bbbe7b1f4baffe406e6ab25fb83c96109fa6 100644 (file)
--- a/src/libserver/css/css_selector.hxx
+++ b/src/libserver/css/css_selector.hxx
@@ -24,6 +24,7 @@
 #include <optional>
 #include <vector>
 #include <functional>
+#include <memory>
 #include "parse_error.hxx"
 #include "css_tokeniser.hxx"
 #include "html_tags.h"