libsmartcols: fix a usage example

Signed-off-by: Ondrej Oprala <ooprala@redhat.com>
libsmartcols: add scols_table_is_empty()

Signed-off-by: Ondrej Oprala <ooprala@redhat.com>
libsmartcols: include stdio

Signed-off-by: Ondrej Oprala <ooprala@redhat.com>
Use libsmartcols in libfdisk and cfdisk

Signed-off-by: Ondrej Oprala <ooprala@redhat.com>
partx: use libsmartcols

Signed-off-by: Ondrej Oprala <ooprala@redhat.com>
findmnt: use libsmartcols

Signed-off-by: Ondrej Oprala <ooprala@redhat.com>
lsblk: use libsmartcols

Signed-off-by: Ondrej Oprala <ooprala@redhat.com>
lslocks: use libsmartcols

Signed-off-by: Ondrej Oprala <ooprala@redhat.com>
losetup: use libsmartcols

Signed-off-by: Ondrej Oprala <ooprala@redhat.com>
lscpu: use libsmartcols

Signed-off-by: Ondrej Oprala <ooprala@redhat.com>
prlimit: use libsmartcols

Signed-off-by: Ondrej Oprala <ooprala@redhat.com>
swapon: use libsmartcols

Signed-off-by: Ondrej Oprala <ooprala@redhat.com>
wdctl: use libsmartcols

Signed-off-by: Ondrej Oprala <ooprala@redhat.com>
lib/tt.c: Goodbye!

Signed-off-by: Ondrej Oprala <ooprala@redhat.com>