Added tests to ensure that dig won't retry sending a query over tcp (+tcp) when a TCP connection is closed prematurely (EOF is read) if either +tries=1 or retry=0 is specified on the command line.
Added tests to ensure that dig won't retry sending a query over tcp (+tcp) when a TCP connection is closed prematurely (EOF is read) if either +tries=1 or retry=0 is specified on the command line.