* extension.rdoc, extension.ja.rdoc: [DOC] Fix some errors.
Renamed files, wrong method names or argument types; the example
GetDBM macro is now updated to the current version of the actual
code. patch by Marcus Stollsteimer in [ruby-core:74690].
[Bug #12228]
Added by nagachika (Tomoyuki Chikanaga) about 8 years ago
merge revision(s) 54434: [Backport #12228]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_3@54708 b2dd03c8-39d4-4d8f-98ff-823fe69b080e