xen: adding missing break.
Thanks to Julien Grall.
From: Ian Campbell <ian.campbell@citrix.com>
git-svn-id: svn://svn.valgrind.org/valgrind/trunk@13048 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/coregrind/m_syswrap/syswrap-xen.c b/coregrind/m_syswrap/syswrap-xen.c
index 6226f7e..3557ba1 100644
--- a/coregrind/m_syswrap/syswrap-xen.c
+++ b/coregrind/m_syswrap/syswrap-xen.c
@@ -127,6 +127,7 @@
PRE_MEM_READ(which,
(Addr)memory_reservation->extent_start.p,
sizeof(xen_pfn_t) * memory_reservation->nr_extents);
+ break;
case XENMEM_populate_physmap:
which = "XENMEM_populate_physmap";
PRE_MEM_READ(which,