FreeBSD4.2 + ruby 1.6.6 + goRua 0.12c で、特定のスレッドを表示させようとすると、下記のエラーで落ちてしまいます。
例えば、 http://cheese.2ch.net/test/read.cgi/phs/1014562114/l50 です

/usr/local/lib/ruby/site_ruby/1.6/connect2ch.rb:325:in `gets': unexpected end of file (Zlib::GzipFile::Error)
from /usr/local/lib/ruby/site_ruby/1.6/connect2ch.rb:325:in `get_thread_file_via_read_cgi'
from /usr/local/lib/ruby/site_ruby/1.6/connect2ch.rb:268:in `get_thread_file_'
from /usr/local/lib/ruby/site_ruby/1.6/connect2ch.rb:203:in `get_thread_file'
from /usr/local/bin/goRua.rb:1552:in `load_file'
from /usr/local/bin/goRua.rb:1798:in `initialize'
from /usr/local/bin/goRua.rb:1797:in `call'
from /usr/local/bin/goRua.rb:2122:in `main'
from /usr/local/bin/goRua.rb:2122