Fix deadlock during lease of orphaned layer.
Fix deadlock during lease of orphaned layer.

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