diff --git a/ChangeLog b/ChangeLog
index 71c12ded26..afd5ec8e5f 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Tue Jul  1 17:56:34 2008  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* missing/vsnprintf.c (BSD__uqtoa): constified.
+
 Tue Jul  1 17:50:44 2008  NAKAMURA Usaku  <usa@ruby-lang.org>
 
 	* enc/make_encdb.h: always add ';' at the end of line.
diff --git a/missing/vsnprintf.c b/missing/vsnprintf.c
index d7545fdf26..c1f1eca094 100644
--- a/missing/vsnprintf.c
+++ b/missing/vsnprintf.c
@@ -357,7 +357,7 @@ BSD__sbprintf(register FILE *fp, const char *fmt, va_list ap)
  * use the given digits.
  */
 static char *
-BSD__uqtoa(register u_quad_t val, char *endp, int base, int octzero, char *xdigs)
+BSD__uqtoa(register u_quad_t val, char *endp, int base, int octzero, const char *xdigs)
 {
 	register char *cp = endp;
 	register long sval;