Fixed typo in get_dist_conf_name

Typo caused unreadable messages on container start like:
Warning: configuration file for distribution using defaults from %s/%s
not found,

[kir@openvz.org: http://bugzilla.openvz.org/1350, typo is
from commit acb231d37f8581a31ab98be8deb499e0828f2012]
1 file changed