Streams constify API change in master leads to compilation warning for extensions

Hi, I was wondering why stream API has been changed in this commit: https://github.com/php/php-src/commit/92d27ccb0574f901a107409a7fec92888fa2b82f Basically all char pointers have been constified. The thing is that this commit leads to compilation warning for many extensions. In my case I use php_stream_locate_url_wrapper and want to compile my extension (fann) without any warnings. Because this change is in master and not in 5.5-, I will have to add some ifdefs and cast it for 5.6+. The thing is that php_stream_locate_url_wrapper and other stream fuctions are often used for function parameters from zend_parse_parameters which are just char *. Then the values have to be casted. I understand that APIs should be improved and sometimes changes are necessary but in this case I have to ask a question. Was this change worthy to compilation warnings for many extensions? If not would it be possible to revert it? Thanks Jakub