message: add the coro_check() in postgresql construct
diff: @@ -143,6 +143,7 @@ void swoole_postgresql_coro_init(int module_number TSRMLS_DC)
  static PHP_METHOD(swoole_postgresql_coro, __construct)
  {
  + coro_check(TSRMLS_C);
  pg_object *pg;
  pg = emalloc(sizeof(pg_object));
  bzero(pg,sizeof(pg_object));
  