* ext/dbm/dbm.c: fix wrong arguments in GetDBM2 macro by @v2e4lisp.
  [fix GH-655]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@46801 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* ext/gdbm/gdbm.c: fix wrong arguments in GetDBM2 macro.
* ext/sdbm/init.c: ditto.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@46802 b2dd03c8-39d4-4d8f-98ff-823fe69b080e