Add temporary patches to make one-true-awk respect locale's collating order

in [a-z] bracket expressions, until a more complete fix (like handing BREs)
is ready.

Prodded by:	ache
OK'ed by:	tjr

usr.bin/awk/b.c.diff

@@ -0,0 +1,53 @@
+$FreeBSD$
+
+Index: b.c
+===================================================================
+RCS file: /home/ncvs/src/contrib/one-true-awk/b.c,v
+retrieving revision 1.1.1.8
+diff -u -p -r1.1.1.8 b.c
+--- b.c	16 May 2005 19:11:31 -0000	1.1.1.8
++++ b.c	16 May 2005 19:12:40 -0000
+@@ -282,9 +282,21 @@ int quoted(char **pp)	/* pick up next th
+ 	return c;
+ }
+ 
++static int collate_range_cmp(int a, int b)
++{
++	static char s[2][2];
++
++	if ((uschar)a == (uschar)b)
++		return 0;
++	s[0][0] = a;
++	s[1][0] = b;
++	return (strcoll(s[0], s[1]));
++}
++
+ char *cclenter(const char *argp)	/* add a character class */
+ {
+ 	int i, c, c2;
++	int j;
+ 	uschar *p = (uschar *) argp;
+ 	uschar *op, *bp;
+ 	static uschar *buf = 0;
+@@ -303,15 +315,18 @@ char *cclenter(const char *argp)	/* add 
+ 				c2 = *p++;
+ 				if (c2 == '\\')
+ 					c2 = quoted((char **) &p);
+-				if (c > c2) {	/* empty; ignore */
++				if (collate_range_cmp(c, c2) > 0) {
+ 					bp--;
+ 					i--;
+ 					continue;
+ 				}
+-				while (c < c2) {
++				for (j = 0; j < NCHARS; j++) {
++					if ((collate_range_cmp(c, j) > 0) ||
++					    collate_range_cmp(j, c2) > 0)
++						continue;
+ 					if (!adjbuf((char **) &buf, &bufsz, bp-buf+2, 100, (char **) &bp, 0))
+ 						FATAL("out of space for character class [%.10s...] 2", p);
+-					*bp++ = ++c;
++					*bp++ = j;
+ 					i++;
+ 				}
+ 				continue;