Two small bugfixes.

The error where introduces by r11951 from zheng - a commit that does not
seem to be reviewed. Such a commit must be tested with make check and
make headercheck! Please.
(reviewed by fetzer)


git-svn-id: svn://svn.iws.uni-stuttgart.de/DUMUX/dumux/trunk@11954 2fb0f335-1f38-0410-981e-8018bf24f1b0