This fixes a SIGSEGV when tree was invoked with a non-existent directory as the Nth argument:
$ tree foo nonexistent
foo
└── bar
nonexistent
Segmentation fault (core dumped)There are a few places where free_dir is used in a loop not clearing the pointer in between iterations. Fix them all.
Signed-off-by: Erik Skultety eskultet@redhat.com
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