fix ReverseLookupDocumentArrayIndexing params in wgen.py
fix ReverseLookupDocumentArrayIndexing params in wgen.py

Change-Id: I685afd77575adf7d32e9c548fa3ce557e7ab5c58
Reviewed-on: http://review.couchbase.org/60182
Reviewed-by: Andrei Baranouski <f6b50d8f3f8d6abadc89468769320bb7ef9099f0@gmail.com>
Tested-by: Andrei Baranouski <f6b50d8f3f8d6abadc89468769320bb7ef9099f0@gmail.com>

couchbase/spring,couchbase/spring