fusion: fix memory corruption in single-app mode         (fusion ref was already destroyed after execution completed)
fusion: fix memory corruption in single-app mode
        (fusion ref was already destroyed after execution completed)

lancebaiyouview/DirectFB,djbclark/directfb-core-DirectFB,djbclark/directfb-core-DirectFB,kaostao/directfb,lancebaiyouview/DirectFB,sklnet/DirectFB,lancebaiyouview/DirectFB,sklnet/DirectFB,jcdubois/DirectFB,deniskropp/DirectFB,djbclark/directfb-core-DirectFB,kaostao/directfb,deniskropp/DirectFB,sklnet/DirectFB,jcdubois/DirectFB,jcdubois/DirectFB,kaostao/directfb,sklnet/DirectFB,deniskropp/DirectFB,deniskropp/DirectFB,djbclark/directfb-core-DirectFB,lancebaiyouview/DirectFB