File include-cstdint.patch of Package 3d-forest

diff --git a/src/core/ArgumentParser.hpp b/src/core/ArgumentParser.hpp
index 076cab1e..093d6eb7 100644
--- a/src/core/ArgumentParser.hpp
+++ b/src/core/ArgumentParser.hpp
@@ -37,6 +37,7 @@
 // Include local.
 #include <ExportCore.hpp>
 #include <WarningsDisable.hpp>
+#include <cstdint>
 
 /** Argument Parser. */
 class EXPORT_CORE ArgumentParser
diff --git a/src/core/Json.hpp b/src/core/Json.hpp
index a7940cfb..e12a561b 100644
--- a/src/core/Json.hpp
+++ b/src/core/Json.hpp
@@ -38,6 +38,7 @@
 // Include local.
 #include <ExportCore.hpp>
 #include <WarningsDisable.hpp>
+#include <cstdint>
 
 class Json;