head.inc: error out on NASM 2.11.06
commit1ac927d131d088e07320942d29f65208c34f08c8
authorH. Peter Anvin <hpa@zytor.com>
Tue, 8 Mar 2016 08:20:08 +0000 (8 00:20 -0800)
committerH. Peter Anvin <hpa@zytor.com>
Tue, 8 Mar 2016 08:21:09 +0000 (8 00:21 -0800)
treeab16224977d2ae545de225646ab0d6f3485116bc
parent138e850fab106b5235178848b3e0d33e25f4d3a2
head.inc: error out on NASM 2.11.06

NASM 2.11.06 is known to miscompile Syslinux, so error out on that
NASM version.

Kind of embarrassing for me...

Signed-off-by: H. Peter Anvin <hpa@zytor.com>
core/head.inc