(CHAR_STRING): Cast to unsigned char ** explicitly.

diff --git a/src/charset.h b/src/charset.h
index 86f81fc89e8fed7a67898d0d6a36de2aca37eb90..dd2d8aa8c90aa0bf25f9f45997e76b34bb4ffa94 100644 (file)
--- a/src/charset.h
+++ b/src/charset.h
@@ -564,7 +564,7 @@ extern int iso_charset_table[2][2][128];
 #define CHAR_STRING(c, workbuf, str)                   \
   (SINGLE_BYTE_CHAR_P (c)                              \
    ? *(str = workbuf) = (unsigned char)(c), 1          \
-   : non_ascii_char_to_string (c, workbuf, &str))
+   : non_ascii_char_to_string (c, workbuf, (unsigned char **)&str))
 
 /* Return a character code of the character of which multi-byte form
    is at STR and the length is LEN.  If STR doesn't contain valid