SaWMan: Fixes for extern "C usage.
SaWMan: Fixes for extern "C usage.

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