Discarding the entire undo stack, to prevent nano from dying (or
making mistakes) when trying to undo edits after a justification.
This works around Savannah bug #45531.


git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@5473 35c25a1d-7b9e-4130-9fde-d3aeb78583b8
2 files changed