Added default constructor.

opm/core/WellsManager.cpp

@@ -171,6 +171,14 @@ namespace Opm
 {
 
 
+    /// Default constructor.
+    WellsManager::WellsManager()
+	: w_(0)
+    {
+    }
+
+
+
     /// Construct wells from deck.
     WellsManager::WellsManager(const Opm::EclipseGridParser& deck,
 			       const UnstructuredGrid& grid,

opm/core/WellsManager.hpp

@@ -38,6 +38,9 @@ namespace Opm
     class WellsManager
     {
     public:
+	/// Default constructor -- no wells.
+	WellsManager();
+
 	/// Construct from input deck and grid.
 	/// The permeability argument may be zero if the input contain
 	/// well productivity indices, otherwise it must be given in