ext/utf8/utf8.h in utf8-0.1.0 vs ext/utf8/utf8.h in utf8-0.1.1

@@ -1,7 +1,7 @@
 #ifndef UTF8_UTF8_H
 #define UTF8_UTF8_H
 
 inline int8_t utf8CharLen(unsigned char *in, size_t in_len);
-size_t utf8CharCount(unsigned char *in, size_t in_len);
+int64_t utf8CharCount(unsigned char *in, size_t in_len);
 
 #endif
\ No newline at end of file