CBQE:0 Correct the wrong append of url in run_job_linux.sh

Change-Id: I1e6ad2dfd16976ba7a1f10af1417100afaf4ee01
Reviewed-on: http://review.couchbase.org/42807
Reviewed-by: Aruna Piravi <aruna@couchbase.com>
Tested-by: Aruna Piravi <aruna@couchbase.com>