test_rdoc_markup_pre_process.rb: input tempfile

* test/test_rdoc_markup_pre_process.rb (TestRDocMarkupPreProcess#setup):
  fix input_file_name, as the test script is not pre-processed.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@42299 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
options.rb: include root for out-place build

* lib/rdoc/options.rb (RDoc#finish): include root path in include
  paths, to work in another directory than the source directory.
  [ruby-core:56282] [Bug #8712]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@42300 b2dd03c8-39d4-4d8f-98ff-823fe69b080e