Oddly placed vault double-door

[withinwheels]

This might be accounted for bugs elsewhere, but perhaps not. A one-space gap at least would look (imho) more aesthetic.

v1.9.3, seed 266056374

[tmewett]

Probably #260 ?

[withinwheels]

I'll see if I can repro with just that fix..

[withinwheels]

..hm, no I think this may be something different. I cherry-picked the 260 patches onto latest release, and can still repro:

$ git log -3 --oneline
96c7620 (HEAD -> release) Remove doors from inside of expanded machine interiors
2ab6608 Fix two levelgen door bugs
ab2c40f (upstream/release, origin/release) Allow seeking to the last turn of a recording (#311)