xenpv: Fix qemu_uuid compiling error

9c5ce8db switched the type of qemu_uuid and this should have followed.
Fix it.
Signed-off-by: NFam Zheng <famz@redhat.com>
Message-Id: <1474968011-29382-1-git-send-email-famz@redhat.com>
Reviewed-by: NEric Blake <eblake@redhat.com>
Acked-by: NStefano Stabellini <sstabellini@kernel.org>

hw/xenpv/xen_domainbuild.c

@@ -232,7 +232,7 @@ int xen_domain_build_pv(const char *kernel, const char *ramdisk,
     unsigned long xenstore_mfn = 0, console_mfn = 0;
     int rc;
 
-    memcpy(uuid, qemu_uuid, sizeof(uuid));
+    memcpy(uuid, &qemu_uuid, sizeof(uuid));
     rc = xen_domain_create(xen_xc, ssidref, uuid, flags, &xen_domid);
     if (rc < 0) {
         fprintf(stderr, "xen: xc_domain_create() failed\n");