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

Change-Id: If4df5f7f6f772be418879a8aea2d11b601694024
Reviewed-on: http://review.couchbase.org/39841
Reviewed-by: Philip Labee <philip@couchbase.com>
Tested-by: Philip Labee <philip@couchbase.com>