Include stdint.h instead of typedef types if Visual Studio 2010 or newer.
diff --git a/skeletons/asn_system.h b/skeletons/asn_system.h
index d19837e..5bf02c2 100644
--- a/skeletons/asn_system.h
+++ b/skeletons/asn_system.h
@@ -47,12 +47,16 @@
#endif
#ifndef ASSUMESTDTYPES /* Standard types have been defined elsewhere */
#define ssize_t SSIZE_T
+#if _MSC_VER < 1600
typedef char int8_t;
typedef short int16_t;
typedef int int32_t;
typedef unsigned char uint8_t;
typedef unsigned short uint16_t;
typedef unsigned int uint32_t;
+#else /* _MSC_VER >= 1600 */
+#include <stdint.h>
+#endif /* _MSC_VER < 1600 */
#endif /* ASSUMESTDTYPES */
#define WIN32_LEAN_AND_MEAN
#include <windows.h>