Re-set the plugin name so that we can be sure the plugin init()

function doesn't set it to something else.

sql/sql_show.cc

@@ -5904,6 +5904,8 @@ int initialize_schema_table(st_plugin_int *plugin)
     schema_table->old_format= make_old_format;
     schema_table->idx_field1= -1, 
     schema_table->idx_field2= -1; 
+
+    /* Make the name available to the init() function. */
     schema_table->table_name= plugin->name.str;
 
     if (plugin->plugin->init(schema_table))
@@ -5912,6 +5914,9 @@ int initialize_schema_table(st_plugin_int *plugin)
                       plugin->name.str);
       goto err;
     }
+    
+    /* Make sure the plugin name is not set inside the init() function. */
+    schema_table->table_name= plugin->name.str;
   }
 
   DBUG_RETURN(0);