configure: Use -Wall for CXXFLAGS as well.
configure: Use -Wall for CXXFLAGS as well.

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