Fix move_to_screen in AwesomeWM

patch.lua

function smart_movetoscreen(c, s)
   local was_maximized = { h = false, v = false }
   if c.maximized_horizontal then
      c.maximized_horizontal = false
      was_maximized.h = true
   end
   if c.maximized_vertical then
      c.maximized_vertical = false
      was_maximized.v = true
   end

   local sel = c or client.focus
   if sel then
      local sc = screen.count()
      if not s then
         s = sel.screen + 1
      end
      if s > sc then s = 1 elseif s < 1 then s = sc end
      sel.screen = s
      mouse.coords(screen[s].geometry)
   end

   if was_maximized.h then
      c.maximized_horizontal = true
   end
   if was_maximized.v then
      c.maximized_vertical = true
   end
end

-- ........
clientkeys = awful.util.table.join(
-- ........
   awful.key({ modkey,           }, "o",      smart_movetoscreen                        ),
-- ........