LU-12678 socklnd: change various ints to bool.

LU-12678 socklnd: change various ints to bool.

Each of these int variables, and one int function, are
really truth values, so change to bool.

Also convert some spaces to tabs etc.

Signed-off-by: Mr NeilBrown <neilb@suse.de>
Change-Id: Ia62a86e549c90a287a20a3b2ef7533c1b700d17e
Reviewed-on: https://review.whamcloud.com/39302
Tested-by: jenkins <devops@whamcloud.com>
Reviewed-by: James Simmons <jsimmons@infradead.org>
Reviewed-by: Chris Horn <chris.horn@hpe.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>