x86/shadow: Fix missing newline in dprintk()

to avoid console corruption.

Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com>
Acked-by: Tim Deegan <tim@xen.org>

xen/arch/x86/mm/shadow/common.c

@@ -1580,7 +1580,7 @@ shadow_alloc_p2m_page(struct domain *d)
         if ( !d->arch.paging.p2m_alloc_failed )
         {
             d->arch.paging.p2m_alloc_failed = 1;
-            dprintk(XENLOG_ERR, "d%i failed to allocate from shadow pool",
+            dprintk(XENLOG_ERR, "d%i failed to allocate from shadow pool\n",
                     d->domain_id);
         }
         paging_unlock(d);