libdirect: Use pthread_sigmask() in direct_sigprocmask() instead of sigprocmask().
libdirect: Use pthread_sigmask() in direct_sigprocmask() instead of sigprocmask().

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