WM: Send update region along with dfb_layer_region_flip_update().
WM: Send update region along with dfb_layer_region_flip_update().

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