message: Add doxygen comment for GMRESSolver::SetKDim().
diff: @@ -143,7 +143,7 @@ void PCG(const Operator &A, Solver &B, const Vector &b, Vector &x,
  class GMRESSolver : public IterativeSolver
  {
  protected:
  - int m;
  + int m; // see SetKDim()
  public:
  GMRESSolver() { m = 50; }
  @@ -152,6 +152,7 @@ public:
  GMRESSolver(MPI_Comm _comm) : IterativeSolver(_comm) { m = 50; }
  #endif
  + /// Set the number of iteration to perform between restarts, default is 50.
  void SetKDim(int dim) { m = dim; }
  virtual void Mult(const Vector &b, Vector &x) const;
  