[continuous integration] Fix travis legacy build. #443
[continuous integration] Fix travis legacy build. #443

poparteu/openMVG,openMVG/openMVG,poparteu/openMVG,poparteu/openMVG,openMVG/openMVG,openMVG/openMVG,openMVG/openMVG,openMVG/openMVG,poparteu/openMVG