configure: Don't append '-std=gnu99' to CXXFLAGS.
configure: Don't append '-std=gnu99' to CXXFLAGS.

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