libmount: fix memory leak [clang-analyzer]

Reported-by: Sami Kerola <kerolasa@iki.fi>
Signed-off-by: Karel Zak <kzak@redhat.com>
uuidd: add missing initializer [clang-analyzer]

Reported-by: Sami Kerola <kerolasa@iki.fi>
Signed-off-by: Karel Zak <kzak@redhat.com>
sfdisk: don't use word 'disk'.

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