Call back-end finalize function

This commit was SVN r416.

src/mpi/interface/c/finalize.c

@@ -6,14 +6,16 @@
 
 #include "mpi.h"
 #include "mpi/interface/c/bindings.h"
+#include "mpi/runtime/runtime.h"
 
 #if LAM_HAVE_WEAK_SYMBOLS && LAM_PROFILING_DEFINES
 #pragma weak MPI_Finalize = PMPI_Finalize
 #endif
 
 
-int
-MPI_Finalize(void)
+int MPI_Finalize(void)
 {
-  return MPI_SUCCESS;
+  /* Pretty simple */
+
+  return lam_mpi_finalize();
 }