remove wrong arg from get_pid_cgroup_scm fn

Signed-off-by: Serge Hallyn <serge.hallyn@ubuntu.com>
proxy: read into the write variable

Signed-off-by: Serge Hallyn <serge.hallyn@ubuntu.com>
cgmanager: write trailing null when writing a string

Signed-off-by: Serge Hallyn <serge.hallyn@ubuntu.com>
proxy: write trailing null when writing a string

Signed-off-by: Serge Hallyn <serge.hallyn@ubuntu.com>
test06:  fix wrong use of ==

Signed-off-by: Serge Hallyn <serge.hallyn@ubuntu.com>