test_cmp: do not use "diff -u" on platforms that lack one

diff --git a/utf8.h b/utf8.h
index ae30ae4c6e501e4766db93c94253fd404cd29357..ebc4d2fa85113c971ab4c4eaa52537a688a03745 100644 (file)
--- a/utf8.h
+++ b/utf8.h
@@ -3,13 +3,11 @@
 
 typedef unsigned int ucs_char_t;  /* assuming 32bit int */
 
-ucs_char_t pick_one_utf8_char(const char **start, size_t *remainder_p);
 int utf8_width(const char **start, size_t *remainder_p);
 int utf8_strwidth(const char *string);
 int is_utf8(const char *text);
 int is_encoding_utf8(const char *name);
 
-int print_wrapped_text(const char *text, int indent, int indent2, int len);
 int strbuf_add_wrapped_text(struct strbuf *buf,
                const char *text, int indent, int indent2, int width);