CBQE-0: Fix Windows issue - leaving C:\Program files which leads to server crashing

Change-Id: Ibcb348c447bc59e733bc572d306cf1aba8a75c05
Reviewed-on: http://review.couchbase.org/44073
Reviewed-by: Parag Agarwal <agarwal.parag@gmail.com>
Tested-by: Parag Agarwal <agarwal.parag@gmail.com>