[git commit nptl] utent.c: fix a few bugs, and shrink a bit

[Bernhard Reutner-Fischer]

On Fri, Sep 18, 2009 at 04:07:31PM +0200, Denys Vlasenko wrote:
>
>commit: http://git.uclibc.org/uClibc/commit/?id=2b5155d358188649cc7a6653b5968b514fbfe9cf
>branch: http://git.uclibc.org/uClibc/commit/?id=refs/heads/nptl
>
>bug #1:
>    static_fd = -1;
>    close(static_fd);
>DOH!

>-	    return;
>-	}
>+	// thus far, {G,S}ETFD only has this single flag,
>+	// and setting it never fails.
>+	//int ret = fcntl(static_fd, F_GETFD, 0);
>+	//if (ret >= 0) {
>+	//    ret = fcntl(static_fd, F_SETFD, ret | FD_CLOEXEC);
>+	//}
>+	//if (ret < 0) {
>+	//    static_fd = -1;
>+	//}
>+	return;

please, PLEASE use C89 compatible comments or #if 00 them out
so they are easily grep'able.
Using C99 comments is _not_ acceptable, it breaks real bootstraps with
some compilers out there in the wild!