message: Make check for NULL explicit in FiniteElementSpace::IsDGSpace().
diff: @@ -657,7 +657,10 @@ public:
  long GetSequence() const { return sequence; }
  /// Return whether or not the space is discontinuous (L2)
  - bool IsDGSpace() const { return dynamic_cast<const L2_FECollection*>(fec); }
  + bool IsDGSpace() const
  + {
  + return dynamic_cast<const L2_FECollection*>(fec) != NULL;
  + }
  void Save(std::ostream &out) const;
  