Add missing include.

evoskuil · evoskuil · commit 48f20818a297 · 2025-02-25T01:31:28.000-05:00
diff --git a/include/bitcoin/database/primitives/hashhead.hpp b/include/bitcoin/database/primitives/hashhead.hpp
@@ -23,6 +23,7 @@
 #include <bitcoin/system.hpp>
 #include <bitcoin/database/define.hpp>
 #include <bitcoin/database/memory/memory.hpp>
+#include <bitcoin/database/primitives/linkage.hpp>
 
 namespace libbitcoin {
 namespace database {
