libdirect: Remove locking in signal handler which is obsolete and led to dead locks.
libdirect: Remove locking in signal handler which is obsolete and led to dead locks.

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