* lib/webrick/https.rb: SSLSocket handling is moved to webrick/ssl.rb.
* lib/webrick/compat.rb (File::fnmatch): remove old migration code.
* lib/webrick/httpserver.rb (HTTPServer#run): ditto.
* lib/webrick/server.rb (GenericServer#listen): the body of this
method is pull out as Utils::create_lisnteners.
* lib/webrick/utils.rb (Utils::create_lisnteners): new method.
* lib/webrick/server.rb (GenericServer#start): should not
through unknown errors. and refine comments.
* ext/openssl/lib/openssl/ssl.rb (SSLServer#accept): should close
socket if SSLSocket raises error.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@4409 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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