ruby.h: relax rb_funcall(obj, id, 0, 0) case only
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62151 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
ruby.h: relax rb_funcall(obj, id, 0, 0) case only
check on extra args only if argc == 0, for the compatibility
with wrong code which is probably confused with rb_funcallv.
[Bug #14425]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62151 b2dd03c8-39d4-4d8f-98ff-823fe69b080e