Fix access of map after array.
Fix access of map after array.

dvln/objx,outrightmental/go-objx,pki-io/objx,yxd-hde/objx,jmptrader/objx,onrik/objx,pki-io/objx,jmptrader/objx,outrightmental/go-objx,stretchr/objx,yxd-hde/objx,onrik/objx,dvln/objx,stretchr/objx