qapi: Convert query-blockstats

Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
diff --git a/qmp-commands.hx b/qmp-commands.hx
index 0cf0be7..a250a7a 100644
--- a/qmp-commands.hx
+++ b/qmp-commands.hx
@@ -1311,6 +1311,12 @@
 
 EQMP
 
+    {
+        .name       = "query-blockstats",
+        .args_type  = "",
+        .mhandler.cmd_new = qmp_marshal_input_query_blockstats,
+    },
+
 SQMP
 query-cpus
 ----------