Ruby » Ruby master

• test/ruby/test_file_exhaustive.rb (test_lchmod): merge mistake of r55347.
  (cf. [Backport #12340])

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_2@55367 b2dd03c8-39d4-4d8f-98ff-823fe69b080e