mtree: Fix duplicated entries handling in spec()
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Authored by khng on Mar 27 2024, 6:15 PM.

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	F166885909: D44531.id.diff
	Mon, Aug 17, 12:58 PM

	F166842000: D44531.id.diff
	Mon, Aug 17, 12:14 AM

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sjg
imp

Summary

Before this change, in case when duplicated entries were present, the
code reused the freed NODE structure after the centry NODE structure was
freed in addchild(). To fix this, addchild() now returns either the input
argument or the pointer to the existing NODE structure.