Added "#ifndef __cplusplus" around bool declaration.
Added "#ifndef __cplusplus" around bool declaration.

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