monitor: Use 'device' in eject

Monitor's eject command uses 'filename' for the device name
argument, but 'device' is a better name.

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

monitor.c

@@ -864,7 +864,7 @@ static void do_eject(Monitor *mon, const QDict *qdict, QObject **ret_data)
 {
     BlockDriverState *bs;
     int force = qdict_get_int(qdict, "force");
-    const char *filename = qdict_get_str(qdict, "filename");
+    const char *filename = qdict_get_str(qdict, "device");
 
     bs = bdrv_find(filename);
     if (!bs) {

qemu-monitor.hx

@@ -130,7 +130,7 @@ ETEXI
 
     {
         .name       = "eject",
-        .args_type  = "force:-f,filename:B",
+        .args_type  = "force:-f,device:B",
         .params     = "[-f] device",
         .help       = "eject a removable medium (use -f to force it)",
         .user_print = monitor_user_noop,