* lib/net/http/header.rb (Net::HTTPHeader#set_range): remove a hack
for the bug fixed at [Bug #8739].
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@42403 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
HTTP Range request. Old one can't parse invalid specs and multiple
specs correctly.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@35764 b2dd03c8-39d4-4d8f-98ff-823fe69b080e