[Bug #3477] un.rb: httpd: --max-clients does not work

Bug #3477: un.rb: httpd: --max-clients does not work
http://redmine.ruby-lang.org/issues/show/3477

e$B5/I<<Te(B: Kazuhiro NISHIYAMA
e$B%9%F!<%?%9e(B: Open, e$BM%@hEYe(B: Normal
e$BC4Ev<Te(B: Nobuyoshi N., e$B%+%F%4%je(B: lib
ruby -v: ruby 1.9.3dev (2010-06-18 trunk 28359) [x86_64-linux]

un.rb e$B$Ne(B httpd e$B$Ge(B --max-clients e$B%%W%7%g%s$r;XDj$9$k$He(B
ArgumentError e$B$K$J$j$^$9!#e(B
e$B$I$3$+$Ge(B to_i e$B$7$F$
$+$J$$$H$$$1$J$$$h$&$G$9!#e(B

% ruby-trunk -v
ruby 1.9.3dev (2010-06-18 trunk 28359) [x86_64-linux]
% ruby-trunk -run -e httpd – --max-clients=1 .
…/thread.rb:252:in >': comparison of String with 0 failed (ArgumentError) from .../thread.rb:252:in initialize’
from …/webrick/server.rb:49:in new' from .../webrick/server.rb:49:in initialize’
from …/webrick/httpserver.rb:24:in initialize' from .../un.rb:311:in new’
from …/un.rb:311:in block in httpd' from .../un.rb:60:in setup’
from …/un.rb:302:in httpd' from -e:1:in
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