Synopsis: sparc boot.net needs real a.out header for OpenFirmware machines.

State-Changed-From-To: open->closed
State-Changed-By: martin@netbsd.org
State-Changed-When: Sat, 21 May 2005 20:16:53 +0000
State-Changed-Why:
As OF can also boot ELF files, I modified the bootloader makefile to link
an orinary ELF version called bootjs.net.
This solves the problem described in this PR, albeit differently.