libfusion: Add single app ref tracing code for 'trace-ref' option.
libfusion: Add single app ref tracing code for 'trace-ref' option.

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