proc.c: fix arity of rest keywords argument
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@44413 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
proc.c: fix arity of rest keywords argument
having rest keywords argument. [ruby-core:53298] [Bug #8072]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@44413 b2dd03c8-39d4-4d8f-98ff-823fe69b080e