Fixed failing assumption due to missing stret_iteration_abort() in region_update().
Fixed failing assumption due to missing stret_iteration_abort() in region_update().

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