fix pid

This commit was SVN r25463.

ompi/mca/mtl/mxm/mtl_mxm.c

@@ -160,7 +160,7 @@ int ompi_mtl_mxm_module_init(void)
         }
     }
 
-    sa_bind_self.process_id = sa_bind_shm.process_id = lr;
+    sa_bind_shm.process_id = lr;
     sa_bind_shm.context_id = mxlr;
     sa_bind_shm.num_procs = nlps;