Fixed some escaping issues in the script/KB2919355.cmd provisioning script.
Fixed some escaping issues in the script/KB2919355.cmd provisioning script.

boxcutter/windows,boxcutter/windows,HirotakaKato/boxcutter-windows-ja,boxcutter/windows,HirotakaKato/boxcutter-windows-ja,HirotakaKato/boxcutter-windows-ja