tests: fix fdisk GPT test

There was a missing newline since cd05de50.

Signed-off-by: Ruediger Meier <ruediger.meier@ga-group.nl>
Merge branch 'fixes' of https://github.com/rudimeier/util-linux

* 'fixes' of https://github.com/rudimeier/util-linux:
  tests: fix fdisk GPT test
setpriv: simplify usage()

Let's keep usage() simple and details in the man page. The current
brief description in usage() seems confusing for some users.

Signed-off-by: Karel Zak <kzak@redhat.com>