Don't pass the same FDSET twice in same select()
commitc0f7fa5d6fdc61f73a6396fcba28f34580d99514
authorOlly Betts <olly@survex.com>
Wed, 16 May 2018 05:14:51 +0000 (16 17:14 +1200)
committerOlly Betts <olly@survex.com>
Wed, 16 May 2018 05:14:51 +0000 (16 17:14 +1200)
tree2024642500a37bd02da67dd29a63c8a65b8494ce
parentd9ebdb587b020e314c52df5abb68e68d2be0774b
Don't pass the same FDSET twice in same select()

It appears not to be allowed by current POSIX, and causes warnings with
GCC8.
xapian-core/net/remoteconnection.cc
xapian-core/net/tcpclient.cc
xapian-core/tests/api_backend.cc