glfs: fix indentation
glfs: fix indentation

Few indentation corrections, which makes the complete glfs.c
file obey code indentation rules.

Signed-off-by: Prasanna Kumar Kalever <a78d8f98557446023f5b3ba9944d7be259a978a3@redhat.com>

open-iscsi/tcmu-runner,agrover/tcmu-runner,open-iscsi/tcmu-runner