"test/references/co2box-reference.vtu" did not exist on "1e4493222e3144ad6a58900ba63b3fc117dc50f0"

Christoph Grüninger
authored
Add empty CMakeLists.txt for co2(ni), they will be filled in the next commit. Both changes are necessary to fix make dist. git-svn-id: svn://svn.iws.uni-stuttgart.de/DUMUX/dumux/trunk@9221 2fb0f335-1f38-0410-981e-8018bf24f1b0