Use function pointers in erasecols and eraserows for framebuffer operations, so we do compression in there as well.
Use function pointers in erasecols and eraserows for framebuffer
operations, so we do compression in there as well.

orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars