Fix warnings.
Fix warnings.

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