dlm_controld: create var parent directories
This patch creates /var/log/dlm_controld and /var/run/dlm_controld
and it's parents if not exists before. In case of logging there was a
likely issue no log file is created when /var/log/dlm_controld didn't
exists before starting dlm_controld.
Reported-by: Bob Peterson <rpeterso@redhat.com>