* ext/openssl/lib/openssl/bn.rb:  Hide copyright info from RDoc.
* ext/openssl/lib/openssl/digest.rb:  ditto
* ext/openssl/lib/openssl/cipher.rb:  ditto

* backport r33065 from trunk.

* ext/openssl/ossl_digest.c:  Document OpenSSL::Digest::digest and add
  an example to OpenSSL::Digest.  Patch by Sylvain Daubert.
  [Ruby 1.9 - Bug #5166]
* ext/openssl/lib/openssl/digest.rb (module OpenSSL):  ditto


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_3@33067 b2dd03c8-39d4-4d8f-98ff-823fe69b080e