MB-100 iterate_docinfos requires a positive number of input keys
MB-100 iterate_docinfos requires a positive number of input keys

Change-Id: I4e922bd83b223bb1d54ab561701eeb91afe69414
Reviewed-on: http://review.couchbase.org/26798
Reviewed-by: Fulu Li <7f0c3670e14709a40a629f005ec9e9fa3dd32520@couchbase.com>
Tested-by: Aaron Miller <41fcc51335f382e0855796cc35dd33f571f2d8f7@ninjawhale.com>

t3rm1n4l/couchstore,t3rm1n4l/couchstore,vmx/couchstore,jimwwalker/couchstore,jimwwalker/couchstore,abhinavdangeti/couchstore,abhinavdangeti/couchstore,abhinavdangeti/couchstore,couchbaselabs/couchstore,vmx/couchstore,t3rm1n4l/couchstore,couchbaselabs/couchstore,couchbaselabs/couchstore,jimwwalker/couchstore,vmx/couchstore