Ruby

ensured.c: fix conflict

• ext/-test-/exception/ensured.c (exc_raise): get rid of conflict
  with raise(2) in the standard. [ruby-core:79371] [Bug #13176]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57511 b2dd03c8-39d4-4d8f-98ff-823fe69b080e