made 'single-stat-across-nodes' work
made 'single-stat-across-nodes' work

Somehow I screwed up this in very obvious way.

Change-Id: I0d2efaa039720db1662ddb005a58fd52ee3b2142
Reviewed-on: http://review.membase.org/4845
Reviewed-by: Dale Harvey <491ccac09a36ad1e38b698f273b84fd8efc31071@arandomurl.com>
Tested-by: Dale Harvey <491ccac09a36ad1e38b698f273b84fd8efc31071@arandomurl.com>

t3rm1n4l/ns_server,membase/ns_server,daverigby/ns_server,t3rm1n4l/ns_server,t3rm1n4l/ns_server,vzasade/ns_server,ceejatec/ns_server,nimishzynga/ns_server,membase/ns_server,mschoch/ns_server,membase/ns_server,nimishzynga/ns_server,vzasade/ns_server,mschoch/ns_server,mschoch/ns_server,daverigby/ns_server,pavel-blagodov/ns_server,pavel-blagodov/ns_server,daverigby/ns_server,daverigby/ns_server,ceejatec/ns_server,t3rm1n4l/ns_server,ceejatec/ns_server,pavel-blagodov/ns_server,nimishzynga/ns_server,ceejatec/ns_server,nimishzynga/ns_server,membase/ns_server,vzasade/ns_server,membase/ns_server,membase/ns_server,pavel-blagodov/ns_server,vzasade/ns_server,nimishzynga/ns_server,mschoch/ns_server,ceejatec/ns_server,daverigby/ns_server,mschoch/ns_server,ceejatec/ns_server,t3rm1n4l/ns_server,mschoch/ns_server,nimishzynga/ns_server