Update winStackWalker.h

Engine/source/platformWin32/minidump/winStackWalker.h

@@ -28,6 +28,8 @@
 #include <windows.h>
 #include <dbghelp.h>
 
+#include "platform/types.h"
+
 class StackWalker
 {
 public:
@@ -99,4 +101,4 @@ private:
 void dGetStackTrace(char * traceBuffer, CONTEXT const & ContextRecord);
 
 #endif
-#endif
+#endif