Ruby » Ruby master

• ext/openssl/ossl_pkcs7.c: fix crash when parsing garbage data.
• test/openssl/test_pkcs7.rb: assert correct behavior for it.
  Thanks to Matt Venables for reporting the issue.
  [ruby-core:43250][Bug #6134]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@35167 b2dd03c8-39d4-4d8f-98ff-823fe69b080e