Install virt-what from Wheezy.

The version from Squeeze does not detect at least Parallels for Mac v.8.

Install virt-what from Wheezy.
The version from Squeeze does not detect at least Parallels for Mac v.8.
93b98c7f · Tails developers · 36f8de09 · 93b98c7f
Commit 93b98c7f authored May 13, 2013 by Tails developers
--- a/config/chroot_apt/preferences
+++ b/config/chroot_apt/preferences
@@ -315,6 +315,10 @@ Package: torsocks
 Pin: origin backports.debian.org
 Pin-Priority: 999

+Package: virt-what
+Pin: release o=Debian,n=wheezy
+Pin-Priority: 999
+
 Package: wireless-regdb
 Pin: origin backports.debian.org
 Pin-Priority: 999