take ia64 specific hypercall number.

Signed-off-by: Isaku Yamahata <yamahata@xxxxxxxxxxxxx>

diff -r 1ad06bd6832d xen/include/public/xen.h
--- a/xen/include/public/xen.h	Tue Apr 25 18:22:11 2006 +0100
+++ b/xen/include/public/xen.h	Wed Apr 26 11:01:19 2006 +0900
@@ -62,6 +62,7 @@
 #define __HYPERVISOR_sched_op             29
 #define __HYPERVISOR_callback_op          30
 #define __HYPERVISOR_xenoprof_op          31
+#define __HYPERVISOR_ia64_dom0vp_op       32 /* ia64 only */
 
 /* 
  * VIRTUAL INTERRUPTS