Revert "ui.gadgets.borders: don't convert border-loc to fixnum."
Revert "ui.gadgets.borders: don't convert border-loc to fixnum."

This reverts commit eb7aad96c07200fabbc146c7472c639af66df94a.

mrjbq7/factor,tgunr/factor,bpollack/factor,mrjbq7/factor,mrjbq7/factor,bpollack/factor,factor/factor,bpollack/factor,tgunr/factor,tgunr/factor,bpollack/factor,tgunr/factor,tgunr/factor,mrjbq7/factor,factor/factor,tgunr/factor,bpollack/factor,factor/factor,factor/factor,bpollack/factor,mrjbq7/factor,factor/factor,bpollack/factor,mrjbq7/factor,factor/factor