Added 640x400 mode.
Added 640x400 mode.

djbclark/directfb-core-DirectFB,deniskropp/DirectFB,jcdubois/DirectFB,dfbdok/DirectFB1,DirectFB/directfb,deniskropp/DirectFB,kevleyski/directfb,mtsekm/test,sklnet/DirectFB,deniskropp/DirectFB,lancebaiyouview/DirectFB,jcdubois/DirectFB,kevleyski/directfb,mtsekm/test,lancebaiyouview/DirectFB,deniskropp/DirectFB,kaostao/directfb,kaostao/directfb,lancebaiyouview/DirectFB,kevleyski/DirectFB-1,dfbdok/DirectFB1,kevleyski/DirectFB-1,lancebaiyouview/DirectFB,djbclark/directfb-core-DirectFB,kevleyski/DirectFB-1,kevleyski/DirectFB-1,Distrotech/DirectFB,djbclark/directfb-core-DirectFB,DirectFB/directfb,sklnet/DirectFB,kaostao/directfb,sklnet/DirectFB,jcdubois/DirectFB,djbclark/directfb-core-DirectFB,sklnet/DirectFB,kevleyski/directfb,mtsekm/test,DirectFB/directfb,dfbdok/DirectFB1,Distrotech/DirectFB,kevleyski/directfb,Distrotech/DirectFB