CBD-1386:  windows toy build support -- fix typo

Change-Id: Ib4e83329f588905a8cd87c328bad064a127da2a6
Reviewed-on: http://review.couchbase.org/39852
Reviewed-by: Philip Labee <philip@couchbase.com>
Tested-by: Philip Labee <philip@couchbase.com>