(mit_prop_dump): close fd when done processing Coverity NetBSD CID#1955
(mit_prop_dump): close fd when done processing
Coverity NetBSD CID#1955


git-svn-id: 193148810cf65385f3a195dbc9a8b504846da3a2@17011 ec53bebd-3082-4978-b11e-865c3cabbd6b

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