LU-17678 quota: fix memleak in qmt_setup_lqe_gd()

LU-17678 quota: fix memleak in qmt_setup_lqe_gd()

a race in qmt_setup_lqe_gd() can lead to leaked lqe_glbl_data.

Signed-off-by: Alex Zhuravlev <bzzz@whamcloud.com>
Change-Id: I807aa276fa373cec493cae9d8182b28d996f5a8b
Reviewed-on: https://review.whamcloud.com/c/fs/lustre-release/+/54575
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>
Reviewed-by: Sergey Cheremencev <scherementsev@ddn.com>
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>