[net.bugs.4bsd] dumpdir bug and fix

alb (03/21/83)

Never mind about the fix I posted yesterday to dumpdir.  It
turns out that we were running and antiquated dumpdir and
it was only by coincidence that I had put those two fclose()'s
in before recompiling (had I simply recompiled, as I did this
afternoon, the problem would have (and did) vanish)