[Documentation] Fix the doc for the command line option of openMVG_main_GlobalSfM. #455
[Documentation] Fix the doc for the command line option of openMVG_main_GlobalSfM. #455

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