json11: add include for cstdint

fixes #14549, which came with a patch

diff --git a/ext/json11/json11.cpp b/ext/json11/json11.cpp
index a0ed9645da16e4b7fc3fe3c354f43c87951b5715..2a7890a6cce249f46646b0655b1348532b9159a3 100644 (file)
--- a/ext/json11/json11.cpp
+++ b/ext/json11/json11.cpp
@@ -22,6 +22,7 @@
 #include "json11.hpp"
 #include <cassert>
 #include <cmath>
+#include <cstdint>
 #include <cstdlib>
 #include <cstdio>
 #include <limits>