qcacld-3.0: Fix memory leak issue in csr_roam_issue_ft_preauth_req()

Make sure to free BSS descriptor buffer in case of failure to
send message. In failure case only message body buffer is freed.

Change-Id: I1919ed25d98808fad47f455820b760d96d18f4b2
CRs-Fixed: 2332101
1 file changed