in CreateWindow: return DFB_INVARG if height == 0 or width == 0
in CreateWindow: return DFB_INVARG if height == 0 or width == 0

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