*********** YOU SHOULD REALLY READ THIS ERROR ***********

At the risk of being called a newbie (well I am), I was more or less curious what this message is all about I have seen with at least the last two ISO's after install.
[Jun 14 11:14:10] ERROR[4958] config.c: *********************************************************
[Jun 14 11:14:10] ERROR[4958] config.c: *********** YOU SHOULD REALLY READ THIS ERROR ***********
[Jun 14 11:14:10] ERROR[4958] config.c: Future versions of Asterisk will treat a #include of a file that does not exist as an error,
and will fail to load that configuration file. Please ensure that the file 'iax_general_additional.conf' exists, even if it is emp
ty.
[Jun 14 11:14:10] ERROR[4958] config.c: *********** YOU SHOULD REALLY READ THIS ERROR ***********
[Jun 14 11:14:10] ERROR[4958] config.c: *********************************************************
[Jun 14 11:14:10] ERROR[4958] config.c: *********************************************************
[Jun 14 11:14:10] ERROR[4958] config.c: *********** YOU SHOULD REALLY READ THIS ERROR ***********
[Jun 14 11:14:10] ERROR[4958] config.c: Future versions of Asterisk will treat a #include of a file that does not exist as an error,
and will fail to load that configuration file. Please ensure that the file 'iax_general_custom.conf' exists, even if it is empty.

I presume that this is known and when the next version does come about, we make changes?
I guess I wonder why not have it created now in preperation?