Changed initialization order of BiCGSTABSolver constructor to get rid

off warnings.

[[Imported from SVN: r487]]

istl/solvers.hh

@@ -588,7 +588,7 @@ namespace Dune {
     template<class L, class S, class P>
     BiCGSTABSolver (L& op, S& sp, P& prec,
                     double reduction, int maxit, int verbose) :
-      _op(op), _sp(sp), _prec(prec), _reduction(reduction), _maxit(maxit), _verbose(verbose)
+      _op(op), _prec(prec), _sp(sp), _reduction(reduction), _maxit(maxit), _verbose(verbose)
     {
       IsTrue< static_cast<int>(L::category) == static_cast<int>(P::category) >::yes();
       IsTrue< static_cast<int>(L::category) == static_cast<int>(S::category) >::yes();