Upstream: https://github.com/xsco/libdjinterop/pull/122

---

diff --git a/src/djinterop/impl/database_impl.hpp b/src/djinterop/impl/database_impl.hpp
index 91cf031..cd66e26 100644
--- a/src/djinterop/impl/database_impl.hpp
+++ b/src/djinterop/impl/database_impl.hpp
@@ -17,6 +17,7 @@
 
 #pragma once
 
+#include <cstdint>
 #include <string>
 #include <vector>