ruby.h: check argc to rb_funcall
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58362 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
ruby.h: check argc to rb_funcall
number of variadic arguments, and replace with rb_funcallv.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58362 b2dd03c8-39d4-4d8f-98ff-823fe69b080e