message: Remove useless return tag.
diff: @@ -113,10 +113,10 @@ extern swoole_object_array swoole_objects;
  #endif
  //#define SW_USE_PHP 1
  -#define SW_CHECK_RETURN(s) if(s<0){RETURN_FALSE;}else{RETURN_TRUE;}return
  +#define SW_CHECK_RETURN(s) if(s<0){RETURN_FALSE;}else{RETURN_TRUE;}
  #define SW_LOCK_CHECK_RETURN(s) if(s==0){RETURN_TRUE;}else{\
  zend_update_property_long(NULL, getThis(), SW_STRL("errCode"), s);\
  - RETURN_FALSE;}return
  + RETURN_FALSE;}
  #define swoole_php_error(level, fmt_str, ...) if (SWOOLE_G(display_errors)) php_error_docref(NULL, level, fmt_str, ##__VA_ARGS__)
  #define swoole_php_fatal_error(level, fmt_str, ...) php_error_docref(NULL, level, fmt_str, ##__VA_ARGS__)
  