[doc PATCH] Fix backward compatibility in target feature specs

[Eli Zaretskii]

> Date: Mon, 08 Aug 2016 20:42:54 +0000
> From: Doug Evans <dje@google.com>
> 
> This is a follow-on to these two patches:
> 
> https://sourceware.org/ml/gdb-patches/2016-08/msg00105.html
> https://sourceware.org/ml/gdb-patches/2016-08/msg00106.html
> 
> to update the documentation.
> 
> 2016-08-08  Doug Evans  <dje@google.com>
> 
> 	* gdb.texinfo (Target Description Format): Update docs on "end"
> 	field spec and field default type.

OK.