patchFix _XOPEN_SOURCE problem on DragonFly

> Hi.
> DragonFly has the same problem that FreeBSD used to have.  Since the
> return value of implicitly declared functions defaults to int, it can
> cause disasters on architectures where sizeof(int) < sizeof(void *).
> The patch below should address this issue.
> 
> Best regards,
> YONETANI Tomokazu.
> 
> diff --git a/git-compat-util.h b/git-compat-util.h
> index a3c4537..e292926 100644
> --- a/git-compat-util.h
> +++ b/git-compat-util.h
> @@ -55,7 +55,8 @@
>  # else
>  # define _XOPEN_SOURCE 500
>  # endif
> -#elif !defined(__APPLE__) && !defined(__FreeBSD__)  && !defined(__USLC__) && !defined(_M_UNIX) && !defined(sgi)
> +#elif !defined(__APPLE__) && !defined(__FreeBSD__) && !defined(__USLC__) && \
> +      !defined(_M_UNIX) && !defined(sgi) && !defined(__DragonFly__)
>  #define _XOPEN_SOURCE 600 /* glibc2 and AIX 5.3L need 500, OpenBSD needs 600 for S_ISLNK() */
>  #define _XOPEN_SOURCE_EXTENDED 1 /* AIX 5.3L needs this */
>  #endif

> On Thu, Apr 1, 2010 at 3:37 PM, YONETANI Tomokazu <qhwt+git@les.ath.cx> wrote:
> > Hello.
> > Is there anything else I need to do to get this in?
> 
> you should read Documentation/SubmittingPatches:
> 
>   http://github.com/git/git/blob/HEAD/Documentation/SubmittingPatches
> 
> Briefly,
> 
> 1. Generate your patch with git-format-patch.
> 
> 2. s-o-b.