mesa: Add vt.h to sources.
mesa: Add vt.h to sources.

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