* enum.c: document that it is OK to take more than available by @mvidner [fix GH-525] [ci skip]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@44901 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* 2014-02-10

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@44902 b2dd03c8-39d4-4d8f-98ff-823fe69b080e