core: make rest of palette APIs secure-fusion safe
core: make rest of palette APIs secure-fusion safe

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