qubes/tools: fix 'column' input formating
qubes/tools: fix 'column' input formating

Include '\n' at the last line too. Otherwise the tool (depending on
version) will complain about truncated line ('line too long').

marmarek/qubes-core-admin,QubesOS/qubes-core-admin,woju/qubes-core-admin,woju/qubes-core-admin,marmarek/qubes-core-admin,QubesOS/qubes-core-admin,marmarek/qubes-core-admin,woju/qubes-core-admin,woju/qubes-core-admin,QubesOS/qubes-core-admin