asami e053af60e9 Skip non-existent subdirectories. The diff is rather large because
the original logic went into a section of code assuming some
incarnation is there, but it's basically a "test -d" fix.  Closes PR
ports/2082.

Reviewed by:	max ("although I didn't test it, it looks fine")
1997-01-13 02:13:19 +00:00
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