When outputting the deployment settings on Windows, the paths might
have backslashes. These need to be escaped, otherwise they will simply
be removed by the JSON parser (or converted into whatever they happen
to represent given the neighbouring character.)
Task-number: QTBUG-33926
Change-Id: I11f1bc7d1f8082c73329bdc02fb8d653a0b5c0ee
Reviewed-by: Paul Olav Tvete <paul.tvete@digia.com>
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@digia.com>
