Fix C/R support in response to r20586. This commit changed the way that bml/r2 finalized, so the C/R support needed to be updated otherwise the BTLs were not properly handled on restart.

This commit was SVN r20617.

The following SVN revision numbers were found above:
  r2 --> open-mpi/ompi@58fdc18855
  r20586 --> open-mpi/ompi@14a83a6bbc

ompi/mca/bml/r2/bml_r2_ft.c

@@ -219,6 +219,10 @@ int mca_bml_r2_ft_event(int state)
             opal_output(0, "bml:r2: ft_event(Restart): Failed to finalize BML framework\n");
             return ret;
         }
+        if( OMPI_SUCCESS != (ret = mca_btl_base_close()) ) {
+            opal_output(0, "bml:r2: ft_event(Restart): Failed to close BTL framework\n");
+            return ret;
+        }
     }
     else if(OPAL_CRS_RESTART == state  ) {