Re: New warnings on emacs-26 branch with gcc 8.2.0

[Eli Zaretskii]

> From: Andy Moreton <address@hidden>
> Date: Tue, 14 Aug 2018 13:59:08 +0100
> 
> The attached patch fixes the -Wcast-function-type warnings when building
> on Windows MSYS2 64bit (GCC 8.2.0) with "-Og". Theere is one remaining
> compiler warning:
> 
> C:/emacs/git/emacs/master/src/w32fns.c: In function 'Fw32_read_registry':
> C:/emacs/git/emacs/master/src/w32fns.c:10142:21: warning: 'rootkey' may be 
> used uninitialized in this function [-Wmaybe-uninitialized]
>    Lisp_Object val = w32_read_registry (NILP (root)
>                      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>             ? HKEY_CURRENT_USER
>             ~~~~~~~~~~~~~~~~~~~
>             : rootkey,
>             ~~~~~~~~~~
>             key, name);
>             ~~~~~~~~~~

Thanks, pushed to the master branch.  I just made the new function's
name a bit shorter.