AbstractEbuildProcess: validate cgroup release agent

Since commit e6be71af3f67ea274db455e9c24d5f84bd372c39, the release agent
can refer to a temporary file if it was set while portage was updating
itself. Fix it to reset the release agent when necessary.

Fixes: e6be71af3f67 ("AbstractEbuildProcess: remove cgroup with release_agent (bug 561264)")
Acked-by: Brian Dolbec <dolsen@gentoo.org>
1 file changed