Go back ti type int since enum starpu_data_access_mode is not exhaustive

mpi/src/mpi_failure_tolerance/starpu_mpi_checkpoint_template.h

@@ -61,7 +61,7 @@ LIST_TYPE(_starpu_mpi_checkpoint_template_tracking_inst,
 )
 
 LIST_TYPE(_starpu_mpi_checkpoint_template_item,
-	enum starpu_data_access_mode type;
+	int type;
 	void             *ptr;
 	size_t           count;
 	int              backupped_by;