Trivial whitespace cleanup

Cleaning a few space-at-EOL occurences, plus one spaces-instead-of-tab.

Found using:

	git grep -n '[[:space:]]$'
	git grep -n '        '
Signed-off-by: Kir Kolyshkin <kir@openvz.org>
Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>