To mimic system glob, we definitely don't need manual upper/lower hack.

The author clearly disagree in the comment, so this patch will be not
submitted upstream.

contrib/tcsh/glob.c

@@ -142,12 +142,14 @@ globcharcoll(__Char c1, __Char c2, int cs)
 	c1 = towlower(c1);
 	c2 = towlower(c2);
     } else {
+#ifndef __FreeBSD__
 	/* This should not be here, but I'll rather leave it in than engage in
 	   a LC_COLLATE flamewar about a shell I don't use... */
 	if (iswlower(c1) && iswupper(c2))
 	    return (1);
 	if (iswupper(c1) && iswlower(c2))
 	    return (-1);
+#endif
     }
     s1[0] = c1;
     s2[0] = c2;