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

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

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

Test-Parameters: trivial
Change-Id: I50cf6d303f284ea5d77f825eaba8f7bbdbf60568
Signed-off-by: Arshad Hussain <arshad.super@gmail.com>
Reviewed-on: https://review.whamcloud.com/34492
Tested-by: Jenkins
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>
Reviewed-by: James Simmons <uja.ornl@yahoo.com>
Reviewed-by: Ben Evans <bevans@cray.com>