Fix view iteration in MVE2 export (#843)
Fix view iteration in MVE2 export (#843)

Fix a unexpected bug if view ids are not contiguous -> https://github.com/openMVG/openMVG/pull/839#discussion_r109838023
openMVG/openMVG,openMVG/openMVG,openMVG/openMVG,openMVG/openMVG,openMVG/openMVG