Patch for 32-bit vtable

[Jessica Han]

One small patch for 32-bit vtable on IPF, paddings should be interger zeros,
not null pointers.
Please review and check it in if OK, thanks.

----
Jessica Han
Open Source Tools
Hewlett-Packard
(408) 447-6154

2002-07-12 Jessica Han <jessica@cup.hp.com>
	*cp/class.c Make padding in 32-bit vtable interger zeros.
*** class.c.1.457       Fri Jul 12 14:35:09 2002
--- class.c     Fri Jul 12 14:47:43 2002
*************** build_vtbl_initializer (binfo, orig_binf
*** 7524,7530 ****
          int i;

          for (i = 1; i < TARGET_VTABLE_DATA_ENTRY_DISTANCE; ++i)
!           add = tree_cons (NULL_TREE, null_pointer_node, add);
          *prev = add;
        }
      }
--- 7524,7530 ----
          int i;

          for (i = 1; i < TARGET_VTABLE_DATA_ENTRY_DISTANCE; ++i)
!           add = tree_cons (NULL_TREE, integer_zero_node, add);
          *prev = add;
        }
      }