Fixed missing fusion_world_set_fork_action() in single app build.
Fixed missing fusion_world_set_fork_action() in single app build.

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