Reduce warnings:
authordelphij <delphij@FreeBSD.org>
Fri, 26 Jun 2015 18:03:19 +0000 (18:03 +0000)
committerdelphij <delphij@FreeBSD.org>
Fri, 26 Jun 2015 18:03:19 +0000 (18:03 +0000)
commit0dd72530a3754c43811c175bcfa2e35f9393ffa8
tree8f60b2d26460560a0b63ce02a1a4663b79785aeb
parentd4a6573433ab40fe0dceead2226ca9750881bce9
Reduce warnings:

 - Add prototype for boot2 main()
 - Don't make assignment within if statement, split it into two.

No functional or binary change -- verified with sha256(1).

MFC after: 2 weeks
sys/boot/i386/boot2/boot2.c