Include cstdint for compatibility with GCC 15 (#538)

pastalian · web-flow · commit 8115594483b9 · 2025-01-22T22:12:48.000-08:00
cstdint needs to be included explicitly since GCC 15. https://gcc.gnu.org/gcc-15/porting_to.html
diff --git a/third_party/msgpack11/msgpack11.hpp b/third_party/msgpack11/msgpack11.hpp
@@ -1,5 +1,6 @@
 #pragma once
 
+#include <cstdint>
 #include <string>
 #include <vector>
 #include <map>
