Upstream: honor the "down" flag for a single server.

If an upstream block was defined with the only server marked as
"down", e.g.

    upstream u {
        server 127.0.0.1:8080 down;
    }

an attempt was made to contact the server despite the "down" flag.
It is believed that immediate 502 response is better in such a
case, and it's also consistent with what is currently done in case
of multiple servers all marked as "down".
1 file changed
tree: f92e90b6e82d8abbb4add5d8ad68f154f2e9f54b
  1. auto/
  2. conf/
  3. contrib/
  4. docs/
  5. misc/
  6. src/
  7. .hgtags