bcol/basesmuma: initialize module with all 0's to fix segmentation faults

in module destructor.

cmr=v1.7.5:reviewer=manjugv

This commit was SVN r30978.

ompi/mca/bcol/basesmuma/bcol_basesmuma_module.c

@@ -84,10 +84,11 @@ static int free_lmsg_reduce_offsets_array(mca_bcol_basesmuma_module_t *sm_module
 static void
 mca_bcol_basesmuma_module_construct(mca_bcol_basesmuma_module_t *module)
 {
+    /* initialize all values to 0 */
+    bzero ((uintptr_t) module + sizeof (module->super), sizeof (*module) - sizeof (module->super));
     module->super.bcol_component = (mca_bcol_base_component_t *) &mca_bcol_basesmuma_component;
     module->super.list_n_connected = NULL;
     module->super.hier_scather_offset = 0;
-
 }
 
 static void