[xorg-x11-drv-intel/f22] (3 commits) ...Really really build intel-virtual-output (rhbz#1195962)

[Hans de Goede]

Summary of changes:

  c9a358a... Add missing BuildRequires libXext-devel so that intel-virtu (*)
  45394a5... Add more missing BuildRequires so that intel-virtual-output (*)
  5961e31... Really really build intel-virtual-output (rhbz#1195962) (*)

(*) This commit already existed in another branch; no separate mail sent