compat/regex/regexec.c: Fix some sparse warnings

diff --git a/utf8.h b/utf8.h
index edde8ee189398f8d6fb8dcd53e5c6da9d0a67884..32a7bfb987dcc487bcfc49f1b9f2ab29803a0070 100644 (file)
--- a/utf8.h
+++ b/utf8.h
@@ -3,6 +3,7 @@
 
 typedef unsigned int ucs_char_t;  /* assuming 32bit int */
 
+size_t display_mode_esc_sequence_len(const char *s);
 int utf8_width(const char **start, size_t *remainder_p);
 int utf8_strnwidth(const char *string, int len, int skip_ansi);
 int utf8_strwidth(const char *string);