news: Add news entry for qemuDomainGetBlockInfo adjustments

docs/news.html.in

@@ -36,6 +36,14 @@
         </ul>
       </li>
       <li><strong>Bug fixes</strong>
+        <ul>
+            <li>qemu: Correct GetBlockInfo values<br/>
+            For an active domain, correct the physical value provided for
+            a raw sparse file backed storage and the allocation value provided
+            for a qcow2 file backed storage that hasn't yet been opened on
+            the domain
+          </li>
+        </ul>
       </li>
     </ul>