Add the MPI::Comm::Call_errhandler() function (it was previously

missing!).  Fixes trac:1483.

This commit was SVN r19503.

The following Trac tickets were found above:
  Ticket 1483 --> https://svn.open-mpi.org/trac/ompi/ticket/1483

ompi/mpi/cxx/comm.h

@@ -386,6 +386,7 @@ public:
 
   virtual Errhandler Get_errhandler() const;
 
+  void Call_errhandler(int errorcode) const;
 
   //
   // Keys and Attributes

ompi/mpi/cxx/comm_inln.h

@@ -548,6 +548,12 @@ MPI::Comm::Set_errhandler(const MPI::Errhandler& errhandler) const
     (void)MPI_Comm_set_errhandler(mpi_comm, errhandler);
 }
 
+inline void 
+MPI::Comm::Call_errhandler(int errorcode) const
+{
+  (void) MPI_Comm_call_errhandler(mpi_comm, errorcode);
+}
+
 // 1) original Create_keyval that takes the first 2 arguments as C++
 //    functions
 inline int