Merge branch 'master' of git.php.net:/php-src

* 'master' of git.php.net:/php-src:
  Switch reflection to use smart_str
  Add smart_str_append_printf
  Make printf_to_smart_str(ing) the primitive printf operation
  Export zend_s(tr)pprintf
  Sync smart_string implementation with smart_str
  Move smart_string to Zend
  Fixed bug #73154
  Flush stderr on win32 in cli_log_message
  Fixed bug #73154