Updating include

include/contour_render_path.hpp

diff --git a/include/contour_render_path.hpp b/include/contour_render_path.hpp
index 5b4706e..7392acd 100644
--- a/include/contour_render_path.hpp
+++ b/include/contour_render_path.hpp
@@ -4,6 +4,7 @@
 #include "renderer.hpp"
 #include "math/aabb.hpp"
 #include <vector>
+#include <cstdint>
 
 namespace rive
 {