LU-6142 ldlm: Fix style issues for ldlm_lock.c

LU-6142 ldlm: Fix style issues for ldlm_lock.c

This patch fixes issues reported by checkpatch
for file lustre/ldlm/ldlm_lock.c

Test-Parameters: trivial
Signed-off-by: Arshad Hussain <arshad.hussain@aeoncomputing.com>
Change-Id: I492eacb0bf8033a78f1001a350c9fe4258729693
Reviewed-on: https://review.whamcloud.com/c/fs/lustre-release/+/54002
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>
Reviewed-by: Timothy Day <timday@amazon.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>