[PATCH] Fix readdir_r with long file names

[Paul Eggert]

On 03/01/2016 03:07 PM, Florian Weimer wrote:
> GCC does not produce a warning for taking the size of a
> struct with a flexible member, or for using it in a non-pointer
> declarator, so it does only half of what we want.

Ouch. That's annoying, but I guess C11 requires it.  At least we get 
half a loaf....

> And at the cost of
> changing sizeof (struct dirent), which can't be a good thing.

Any program that depends on sizeof (struct dirent) is broken already, so 
this isn't that worrisome.