Merge branch 'fix/mpnc-comparison-path' into 'master'

[fix] path to vtkoutputfields after renaming of folder

See merge request !783

test/porousmediumflow/mpnc/implicit/2p2ccomparison/mpnc_comparison_problem.hh

@@ -31,7 +31,7 @@
 
 #include <dumux/porousmediumflow/mpnc/model.hh>
 #include <dumux/porousmediumflow/problem.hh>
-#include <test/porousmediumflow/2p2c/implicit/comparison/vtkoutputfields.hh>
+#include <test/porousmediumflow/2p2c/implicit/mpnccomparison/vtkoutputfields.hh>
 
 #include <dumux/material/fluidsystems/h2on2.hh>
 #include <dumux/material/fluidstates/compositional.hh>