This bug is opened mainly to annoy people (as it's nearly a 0-day bump), but also to inform you that when you put it into the tree, you'll need to add git commit c8a963af0270c5fbc125ea34da6538198f524189, otherwise system mode won't work correctly.
In the meanwhile the commit changed. To make it clear, I'm talking about one named "Initialize exit_idle_time to -1 instead of 0 when in system mode"
...or you could just set "exit-idle-time = -1" in /etc/pulse/daemon.conf At least, that's what I had to do in 0.9.12.
Fixed independently.
And what about that git commit ?
/etc/pulse/daemon.conf affects all deamons, in 0.9.12 I did that this way, cause there was no other, but in 0.9.13 it should have just work, if it wasn't for this little bug.