CBD-1386:  windows toy build support:  fix typo

Change-Id: I6ceb00a822830cc2ef4be3d21953101070ec4f78
Reviewed-on: http://review.couchbase.org/39853
Reviewed-by: Philip Labee <philip@couchbase.com>
Tested-by: Philip Labee <philip@couchbase.com>