Upstream patch
Link: http://git.drumgizmo.org/plugingizmo.git/patch/?id=a88c76afd8fbfe31b76010bac34c1437b1927245

--- a/plugin/plugingizmo/plugin.h
+++ b/plugin/plugingizmo/plugin.h
@@ -30,7 +30,7 @@
 #include <string>
 
 #include <cstdlib>
-
+#include <cstdint>
 
 #if defined(WIN32)
 #define PG_EXPORT extern "C" __declspec(dllexport)