LU-10467 ldlm: fix style issues in ldlm_flock_completion_ast

LU-10467 ldlm: fix style issues in ldlm_flock_completion_ast

Prior to some code changes, fix up indenting and other
style issues (particularly multi-line comments) in
ldlm_flock.c.

In a few cases, parentheses have been added so that the re-indenting
done by emacs c-mode does "the right thing".

Test-Parameters: trivial
Change-Id: Ic628acaae875bea9759fbb669c154f046a75a9fa
Signed-off-by: Mr NeilBrown <neilb@suse.de>
Reviewed-on: https://review.whamcloud.com/35983
Reviewed-by: Arshad Hussain <arshad.super@gmail.com>
Reviewed-by: James Simmons <jsimmons@infradead.org>
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>