[VOTE] Release apr-util-1.6.4-rc2 as apr-util-1.6.4

Hi all,

Please find below the proposed release tarball and signatures:

https://dist.apache.org/repos/dist/dev/apr/

I would like to call a VOTE over the next few days to release
this candidate tarball apr-util-1.6.4-rc2 as 1.6.4:
[ ] +1: It's not just good, it's good enough!
[ ] +0: Let's have a talk.
[ ] -1: There's trouble in paradise. Here's what's wrong.

The SVN candidate source is found at tags/1.6.4-rc2-candidate.