gfxcard: fix clipping for vertically and horizontally flipped blits
gfxcard: fix clipping for vertically and horizontally flipped blits

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