monitor: Convert do_getfd() to QObject

Note that errors are not being converted yet.

Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>

monitor.c

@@ -1848,7 +1848,7 @@ static void do_inject_mce(Monitor *mon, const QDict *qdict)
 }
 #endif
 
-static void do_getfd(Monitor *mon, const QDict *qdict)
+static void do_getfd(Monitor *mon, const QDict *qdict, QObject **ret_data)
 {
     const char *fdname = qdict_get_str(qdict, "fdname");
     mon_fd_t *monfd;

qemu-monitor.hx

@@ -1013,7 +1013,8 @@ ETEXI
         .args_type  = "fdname:s",
         .params     = "getfd name",
         .help       = "receive a file descriptor via SCM rights and assign it a name",
-        .mhandler.cmd = do_getfd,
+        .user_print = monitor_user_noop,
+        .mhandler.cmd_new = do_getfd,
     },
 
 STEXI