Reset single_mode and single_window during deactivation to fix crash after reactivation.
Reset single_mode and single_window during deactivation to fix crash after reactivation.

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