Please disregard this. The patch was supposed to go to qemu-devel list
(resent it there), not here.
Rich already pushed it upstream:
    
http://git.annexia.org/?p=qemu-sanity-check.git;a=commit;h=0b28b29
Thanks!
-- 
/kashyap
On Mon, Jun 08, 2015 at 04:20:26PM +0200, Kashyap Chamarthy wrote:
 Upstream QEMU recommends to use '-display none' as opposed
to
 '-nographic' -- which is a "legacy option that does a whole bunch of
 confusing stuff" (thanks Peter Maydell).
 
 Upstream libguestfs already made the switch [1] in DEC-2013.
 
 [1] 
https://github.com/libguestfs/libguestfs/commit/7a41f5c1 -- "launch:
     switch from -nographic to -display none "
 ---
  qemu-sanity-check.in | 3 ++-
  1 file changed, 2 insertions(+), 1 deletion(-)
 
 diff --git a/qemu-sanity-check.in b/qemu-sanity-check.in
 index 5bb5b292def5caff5ca63071565bd447cf5f4efd..34cd9385f56b5eedd0ec26abd128232a47e51996
100644
 --- a/qemu-sanity-check.in
 +++ b/qemu-sanity-check.in
 @@ -140,7 +140,8 @@ test_output="$(mktemp --suff=.out)"
  declare -a argv
  i=0
  argv[$((i++))]="$qemu"
 -argv[$((i++))]="-nographic"
 +argv[$((i++))]="-display"
 +argv[$((i++))]="none"
  argv[$((i++))]="-nodefconfig"
  argv[$((i++))]="-nodefaults"
  argv[$((i++))]="-machine"
 -- 
 2.1.0