Use boost::bind instead of std::bind to compile with C++03

opm/core/simulator/SimulatorIncompTwophase.hpp

@@ -22,7 +22,7 @@
 
 #include <boost/shared_ptr.hpp>
 #include <boost/function.hpp>
-#include <functional> // bind
+#include <boost/bind.hpp>
 #include <vector>
 
 struct UnstructuredGrid;

opm/core/simulator/SimulatorIncompTwophase_impl.hpp

@@ -6,7 +6,7 @@ namespace Opm {
 
 template <typename T, void (T::*callback)()>
 inline void SimulatorIncompTwophase::connect_timestep (T& t) {
-	connect_timestep_impl (boost::function0<void> (std::bind (callback, t)));
+	connect_timestep_impl (boost::function0<void> (boost::bind (callback, t)));
 }
 
 } /* namespace Opm */