[dfbdump] Show sum of buffers' "locked" value.
[dfbdump] Show sum of buffers' "locked" value.

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