Update information of (ancient) GlusterFS issue CVE-2012-5635

The unsafe use of /tmp issues were fixed a long time back with two
commits:

  http://git.gluster.org/cgit/glusterfs.git/commit/?id=b8d5fd2b88db7e18a10e57a0edf1a41eda4f5314 (v3.4.0qa8)

and

  http://git.gluster.org/cgit/glusterfs.git/commit/?id=11bb1fc5849a557d1a26e59bd651fbd0d07a1b8d (v3.5.0qa1)

with the first version in Debian 3.5.0 beeing the one including both.