This improves support for targeting wasm32 with clang 12.
#include <stdlib.h>
#if defined(_MSC_VER) && _MSC_VER < 1800
-// MSVC prior to 2013 lacked stdbool.h and inttypes.h
+// MSVC prior to 2013 lacked stdbool.h and stdint.h
typedef signed char utf8proc_int8_t;
typedef unsigned char utf8proc_uint8_t;
typedef short utf8proc_int16_t;
#else
# include <stddef.h>
# include <stdbool.h>
-# include <inttypes.h>
+# include <stdint.h>
typedef int8_t utf8proc_int8_t;
typedef uint8_t utf8proc_uint8_t;
typedef int16_t utf8proc_int16_t;