Fixed disabling video4linux provider.
Fixed disabling video4linux provider.

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