LU-10467 lustre: use TABs for indents in a few places.

LU-10467 lustre: use TABs for indents in a few places.

Each of the functions changed here will have code changes
in the next patch, so fix up all the indentation first.

Test-Parameters: trivial
Signed-off-by: Mr NeilBrown <neilb@suse.com>
Change-Id: Ib10e999a8c58eb96d3312878be91b465da3a2df8
Reviewed-on: https://review.whamcloud.com/35970
Reviewed-by: James Simmons <jsimmons@infradead.org>
Reviewed-by: Arshad Hussain <arshad.super@gmail.com>
Reviewed-by: Shaun Tancheff <stancheff@cray.com>
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>