unbreak IE8
unbreak IE8

Change-Id: I76a91ed54e7e10e32b5424ae3e77b2438219bc03
Reviewed-on: http://review.couchbase.org/8489
Reviewed-by: Aliaksey Kandratsenka <340b8e09ca65cd3fc686427fcfed17e87eaf61e2@gmail.com>
Tested-by: Aliaksey Kandratsenka <340b8e09ca65cd3fc686427fcfed17e87eaf61e2@gmail.com>

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