Revision 396122

MFH: r395861 r396024 r394418 r395787 r396026

r395861
QEMU update to 2.4.0
- remove patch files accepted and merge upstream
- Add new vgabios-virtio

r396024
Build fixes for 2.4.0
- regenerate patch-pcap
- Escape --extra-ldflags as it looks like the qemu builder is eating spaces
  or lines making it frustrating to use.

PR:	202402 202536 202864

r394418
Update qemu-sbruno to track bsd-user branch on github.  I *am* the
upstream of this port and maintainer notified developers on 07/17/15 to
update his ports while he is AFK.

Sync's to pre-release 2.4.0

Differential Revision:	https://reviews.freebsd.org/D3385

r395787
Build fix:
- Remove etc/qemu/target-x86_64.conf.sample dropped by upstream
- Add vgabios-virtio.bin

r396026
Fix Makefile so that those who want to use this port directly can still
build.

PR:	202536

PR:		202402
Security:	CVE-2015-5154
Security:	CVE-2015-5165
Security:	CVE-2015-5166
Security:	da451130-365d-11e5-a4a5-002590263bf5
Security:	f06f20dc-4347-11e5-93ad-002590263bf5
Security:	ee99899d-4347-11e5-93ad-002590263bf5
Approved by:	ports-secteam (feld), feld (mentor)