--- net/filter/zstd_source_stream.cc.orig	2025-12-10 15:04:57 UTC
+++ net/filter/zstd_source_stream.cc
@@ -7,6 +7,7 @@
 #include <algorithm>
 #include <unordered_map>
 #include <utility>
+#include <unordered_map>
 
 #define ZSTD_STATIC_LINKING_ONLY