Fix warnings: signed/unsigned, init order

[[Imported from SVN: r11827]]

dune/solvers/solvers/cgsolver.cc

@@ -43,7 +43,7 @@ void CGSolver<MatrixType, VectorType>::solve()
         std::cout << "-----";
         std::cout << "---------------";
         std::cout << "---------";
-        for(int i=0; i<header.size(); ++i)
+        for(size_t i=0; i<header.size(); ++i)
             std::cout << "-";
         std::cout << std::endl;
     }

dune/solvers/solvers/tcgsolver.cc

@@ -48,7 +48,7 @@ void TruncatedCGSolver<MatrixType, VectorType>::solve()
         std::cout << "-----";
         std::cout << "---------------";
         std::cout << "---------";
-        for(int i=0; i<header.size(); ++i)
+        for(size_t i=0; i<header.size(); ++i)
             std::cout << "-";
         std::cout << std::endl;
     }

dune/solvers/solvers/tcgsolver.hh

@@ -69,8 +69,8 @@ public:
           matrix_(matrix), x_(x), rhs_(rhs),
           preconditioner_(preconditioner), 
           errorNorm_(errorNorm),
-          trustRegionNormMatrix_(trustRegionNormMatrix),
-          trustRegionRadius_(trustRegionRadius)
+          trustRegionRadius_(trustRegionRadius),
+          trustRegionNormMatrix_(trustRegionNormMatrix)
     {}
 
     /** \brief Constructor for repeated calls.  The actual problem has to be provided separately */