message: fix ubuntu coredump
diff: @@ -134,13 +134,13 @@ void swoole_postgresql_coro_init(int module_number TSRMLS_DC)
  static PHP_METHOD(swoole_postgresql_coro, __construct)
  {
  - pg_object *pg_object;
  - pg_object = emalloc(sizeof(pg_object));
  - pg_object -> object = getThis();
  -
  - swoole_set_object(getThis(), pg_object);
  -
  + pg_object *pg;
  + pg = emalloc(sizeof(pg_object));
  + bzero(pg,sizeof(pg_object));
  + pg -> object = getThis();
  + swoole_set_object(getThis(), pg);
  }
  +
  static PHP_METHOD(swoole_postgresql_coro, connect)
  {
  zval *conninfo;
  