ci: fix .travis.yml according to build config validation message (#706)
ci: fix .travis.yml according to build config validation message (#706)


xspec/xspec,markdunnoup/xspec,AirQuick/xspec,AirQuick/xspec,markdunnoup/xspec,xspec/xspec,AirQuick/xspec,markdunnoup/xspec,xspec/xspec