Core: Stop dispatcher again in core shutdown
Core: Stop dispatcher again in core shutdown

Signed-off-by: dok <3fa78fd63dd76ba74a102cf4e1e79303ef9149a1@directfb.org>

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