[layer] Bug when switching source from surface to surfaceless (video).         The bug is caused by the destruction of the region surface before         the active buffer is unlocked (lock being held by layer).         Thanks to Sorin Otescu for the patch.
[layer] Bug when switching source from surface to surfaceless (video).
        The bug is caused by the destruction of the region surface before
        the active buffer is unlocked (lock being held by layer).
        Thanks to Sorin Otescu for the patch.

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