[FIX] Initialize the value of Mesh % DiscontMesh when creating an extruded mesh. This prevents inaccurate (and inconsistent) naming of .vtu output files.



git-svn-id: svn://svn.code.sf.net/p/elmerfem/code/trunk@6995 04224531-1f84-46d8-96ce-875b9e37dce3