ts-xen-build-prep: Install python3-venv for QEMU

Since QEMU commit 81e2b198a8cb ("configure: create a python venv
unconditionally"), a python venv is always created and this new package
is needed on Debian.

Signed-off-by: Anthony PERARD <anthony.perard@citrix.com>

diff --git a/ts-xen-build-prep b/ts-xen-build-prep
index 3ae8f215440b4f65ae74e5b032f9dbe73c785f27..547bbc16d8d6f264a0a4ae344fd4a1febb42278c 100755 (executable)
--- a/ts-xen-build-prep
+++ b/ts-xen-build-prep
@@ -209,6 +209,7 @@ sub prep () {
                       libdevmapper-dev libxml-xpath-perl libelf-dev
                       ccache nasm checkpolicy ebtables
                      python3-docutils python3-dev
+                     python3-venv
                       libtirpc-dev
                       libgnutls28-dev);