monitor: Add delvm and loadvm argument completion

Signed-off-by: Hani Benhabiles <hani@linux.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
diff --git a/hmp-commands.hx b/hmp-commands.hx
index f99da0e..5f1a677 100644
--- a/hmp-commands.hx
+++ b/hmp-commands.hx
@@ -335,6 +335,7 @@
         .params     = "tag|id",
         .help       = "restore a VM snapshot from its tag or id",
         .mhandler.cmd = do_loadvm,
+        .command_completion = loadvm_completion,
     },
 
 STEXI
@@ -350,6 +351,7 @@
         .params     = "tag|id",
         .help       = "delete a VM snapshot from its tag or id",
         .mhandler.cmd = do_delvm,
+        .command_completion = delvm_completion,
     },
 
 STEXI