Corrected label for vb_active_queue_drain
Corrected label for vb_active_queue_drain

Change-Id: I1ba7cef76e526961efb76d008663eee9267cdb74
Reviewed-on: http://review.couchbase.org/13054
Tested-by: Aliaksey Kandratsenka <340b8e09ca65cd3fc686427fcfed17e87eaf61e2@gmail.com>
Reviewed-by: Aliaksey Kandratsenka <340b8e09ca65cd3fc686427fcfed17e87eaf61e2@gmail.com>

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