libxl: Fix for Windows UP crash on boot using xl

When parameter "vcpus" is not explicitly set in config file, cur_vpus
is initialized to 0 instead of 1, which causes domU crash.

Signed-off-by: Fengzhe Zhang <fengzhe.zhang@intel.com>
Signed-off-by: Ian Jackson <ian.jackson@eu.citrix.com>
Committed-by: Ian Jackson <ian.jackson@eu.citrix.com>

tools/libxl/libxl_create.c

@@ -76,6 +76,7 @@ void libxl_init_build_info(libxl_domain_build_info *b_info, libxl_domain_create_
 {
     memset(b_info, '\0', sizeof(*b_info));
     b_info->max_vcpus = 1;
+    b_info->cur_vcpus = 1;
     b_info->max_memkb = 32 * 1024;
     b_info->target_memkb = b_info->max_memkb;
     b_info->disable_migrate = 0;