Use NULL instead of "" to prevent overriding locale information set in
the environment.  See
	http://bugs.gentoo.org/show_bug.cgi?id=64266
	http://lists.debian.or.jp/debian-devel/200210/msg00047.html

diff -urN bash-2.05b.orig/lib/readline/nls.c bash-2.05b/lib/readline/nls.c
--- bash-2.05b.orig/lib/readline/nls.c	2001-10-15 14:32:29.000000000 -0400
+++ bash-2.05b/lib/readline/nls.c	2004-09-29 12:25:24.585683597 -0400
@@ -87,7 +87,7 @@
   char *t;
 
   /* Set the LC_CTYPE locale category from environment variables. */
-  t = setlocale (LC_CTYPE, "");
+  t = setlocale (LC_CTYPE, NULL);
   if (t && *t && (t[0] != 'C' || t[1]) && (STREQ (t, "POSIX") == 0))
     {
       _rl_meta_flag = 1;