LU-17767 build: struct lsmcontext has slot or id member

LU-17767 build: struct lsmcontext has slot or id member

With Ubuntu 24.04 kernel 6.8.0-31-generic, the struct lsmcontext uses
a field named 'id' to identify the LSM module, instead of 'slot' in
previous kernel versions.

Fixes: 0e66489401 ("LU-16619 build: Ubuntu jammy 5.19 client support")
Test-Parameters: trivial
Signed-off-by: Sebastien Buisson <sbuisson@ddn.com>
Change-Id: I5080e60614b42ed63103f93cae1f481851742d0b
Reviewed-on: https://review.whamcloud.com/c/fs/lustre-release/+/54881
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Aurelien Degremont <adegremont@nvidia.com>
Reviewed-by: James Simmons <jsimmons@infradead.org>
Reviewed-by: Shaun Tancheff <shaun.tancheff@hpe.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>