WM: Cleanups in default WM.
WM: Cleanups in default WM.

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