Cleanup reference implementation

1 files changed, 3 insertions, 2 deletions

diff --git a/src/utf8.h b/src/utf8.h
index 1e4e556..9506b75 100644
--- a/src/utf8.h
+++ b/src/utf8.h
@@ -1,12 +1,13 @@
 #ifndef _H_STMD_UTF8_
 #define _H_STMD_UTF8_
 
+#include <stdint.h>
 #include "buffer.h"
 
-void utf8proc_case_fold(strbuf *dest, const unsigned char *str, int len);
+void utf8proc_case_fold(strbuf *dest, const uint8_t *str, int len);
 void utf8proc_encode_char(int32_t uc, strbuf *buf);
 ssize_t utf8proc_iterate(const uint8_t *str, ssize_t str_len, int32_t *dst);
 ssize_t utf8proc_charlen(const uint8_t *str, ssize_t str_len);
-void utf8proc_detab(strbuf *dest, const unsigned char *line, size_t size);
+void utf8proc_detab(strbuf *dest, const uint8_t *line, size_t size);
 
 #endif