[libvirt] [PATCH] docs: schema: Add missing <alias> to vsock device

[Han Han]

Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1600345

Signed-off-by: Han Han <hhan at redhat.com>
---
 docs/schemas/domaincommon.rng | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/docs/schemas/domaincommon.rng b/docs/schemas/domaincommon.rng
index bd687ce9d3..f24a56392a 100644
--- a/docs/schemas/domaincommon.rng
+++ b/docs/schemas/domaincommon.rng
@@ -4234,6 +4234,9 @@
         <optional>
           <ref name="address"/>
         </optional>
+        <optional>
+          <ref name="alias"/>
+        </optional>
       </interleave>
     </element>
   </define>
-- 
2.17.1