linux_input: fix warnings
linux_input: fix warnings

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