fixed bug #335603 and resync'ed genChRanges.py to the expected output.

* chvalid.c genChRanges.py include/libxml/chvalid.h: fixed bug
  #335603 and resync'ed genChRanges.py to the expected output.
Daniel
diff --git a/chvalid.c b/chvalid.c
index 227aeba..b0b0999 100755
--- a/chvalid.c
+++ b/chvalid.c
@@ -5,7 +5,7 @@
  * This file is automatically generated from the cvs source
  * definition files using the genChRanges.py Python script
  *
- * Generation date: Tue Nov 18 08:14:21 2003
+ * Generation date: Mon Mar 27 00:45:29 2006
  * Sources: chvalid.def
  * William Brack <wbrack@mmm.com.hk>
  */
@@ -22,7 +22,7 @@
  * allowed.
  *
  */
-unsigned char xmlIsPubidChar_tab[256] = {
+const unsigned char xmlIsPubidChar_tab[256] = {
     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00,
     0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x01, 0x00, 0x01,