unitilizaed variable fix

git-svn-id: svn://svn.code.sf.net/p/elmerfem/code/trunk@6878 04224531-1f84-46d8-96ce-875b9e37dce3
Small fix.


git-svn-id: svn://svn.code.sf.net/p/elmerfem/code/trunk@6879 04224531-1f84-46d8-96ce-875b9e37dce3