MB-100: fix incorrect variable name
MB-100: fix incorrect variable name

Change-Id: I8b34ba5deff2fdfa7f99a9daf779e0f5674ca630
Reviewed-on: http://review.couchbase.org/31012
Tested-by: Junyi Xie <cec9b1c9f34a8d92cba938f3f3364d5120580782@gmail.com>
Reviewed-by: Aliaksey Artamonau <3c875bcfb3adf2a65b2ae7686ca921e6c9433147@gmail.com>

t3rm1n4l/ns_server,daverigby/ns_server,daverigby/ns_server,membase/ns_server,membase/ns_server,membase/ns_server,membase/ns_server,mschoch/ns_server,ceejatec/ns_server,t3rm1n4l/ns_server,mschoch/ns_server,t3rm1n4l/ns_server,mschoch/ns_server,ceejatec/ns_server,nimishzynga/ns_server,nimishzynga/ns_server,mschoch/ns_server,nimishzynga/ns_server,ceejatec/ns_server,membase/ns_server,mschoch/ns_server,nimishzynga/ns_server,ceejatec/ns_server,ceejatec/ns_server,t3rm1n4l/ns_server,mschoch/ns_server,nimishzynga/ns_server,daverigby/ns_server,t3rm1n4l/ns_server,ceejatec/ns_server,daverigby/ns_server,membase/ns_server,daverigby/ns_server,nimishzynga/ns_server