Should not warp to xfce-notifyd windows

dwm % xprop
WM_STATE(WM_STATE):
        window state: Normal
        icon window: 0x0
_NET_WM_DESKTOP(CARDINAL) = 4294967295
_NET_WM_STATE(ATOM) = _NET_WM_STATE_ABOVE, _NET_WM_STATE_STICKY, _NET_WM_STATE_SKIP_TASKBAR, _NET_WM_STATE_SKIP_PAGER
WM_HINTS(WM_HINTS):
        Client accepts input or input focus: False
        Initial state is Normal State.
        window id # of group leader: 0x2600001
_MOTIF_WM_HINTS(_MOTIF_WM_HINTS) = 0x2, 0x0, 0x0, 0x0, 0x0
_NET_WM_SYNC_REQUEST_COUNTER(CARDINAL) = 39845962
_NET_WM_WINDOW_TYPE(ATOM) = _NET_WM_WINDOW_TYPE_NOTIFICATION
_NET_WM_USER_TIME(CARDINAL) = 117237881
_NET_WM_USER_TIME_WINDOW(WINDOW): window id # 0x2600049
WM_CLIENT_LEADER(WINDOW): window id # 0x2600001
_NET_WM_PID(CARDINAL) = 16352
WM_LOCALE_NAME(STRING) = "en_GB.UTF-8"
WM_CLIENT_MACHINE(STRING) = "jia"
WM_NORMAL_HINTS(WM_SIZE_HINTS):
        program specified location: 0, 0
        program specified minimum size: 141 by 52
        program specified maximum size: 141 by 52
        window gravity: NorthWest
WM_PROTOCOLS(ATOM): protocols  WM_DELETE_WINDOW, WM_TAKE_FOCUS, _NET_WM_PING, _NET_WM_SYNC_REQUEST
WM_CLASS(STRING) = "xfce4-notifyd", "Xfce4-notifyd"
WM_ICON_NAME(STRING) = "xfce4-notifyd"
_NET_WM_ICON_NAME(UTF8_STRING) = "xfce4-notifyd"
WM_NAME(STRING) = "xfce4-notifyd"
_NET_WM_NAME(UTF8_STRING) = "xfce4-notifyd"
cdown / dwm

Should not warp to xfce-notifyd windows #2
