Ruby » Ruby master

merges r33264 from trunk into ruby_1_9_3.¶

• lib/pstore.rb (PStore): always open in binary mode even if
  default encodings are set. [Bug #5311] [ruby-core:39503]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_3@33440 b2dd03c8-39d4-4d8f-98ff-823fe69b080e