nmake quotes args if included `=' in args. * instruby.rb: use getopts.rb. * ext/dbm/extconf.rb: substitute ' with ". * ext/gdbm/gdbm.c: add prototypes to avoid VC++ warnings. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@3229 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
gdbm ext-library for Ruby 1.3 or later