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the last node is deleted. Instead, resolve the Coverity warning
by returning (node *)1 when you delete the root node.
based an idea from millert@. ok otto@
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pointer to the freed root node, but return a pointer to the new
root node. POSIX does not define, what should be returned in
that case.
Fixes Coverity CID 2528.
ok millert@ otto@
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ok otto deraadt
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hand editing to make comments line up correctly. Another pass is forthcoming that handles the cases that could not be done automatically.
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