Changed the template argument of tabulated component brine from

tabulatted H2O to the raw component H2O, since tabulating a component
based on another tabulated component led to warnings. (Reviewed by Lena)


git-svn-id: svn://svn.iws.uni-stuttgart.de/DUMUX/dumux/trunk@9128 2fb0f335-1f38-0410-981e-8018bf24f1b0