cgroups: use newline nonterminal
cgroups: use newline nonterminal

Trivial change, using a newline nonterminal somewhere in the parser removes a
compilation warning.

Reviewed-by: Antti-Ville Jansson <f82edea093ea176131f2d7c1890e1559dc4619c9@digia.com>

maemo-foss/maemo-multimedia-ohm-plugins-misc,tswindell/ohm-plugins-misc,jusa/ohm-plugins-misc,jusa/ohm-plugins-misc,jusa/ohm-plugins-misc,tswindell/ohm-plugins-misc,maemo-foss/maemo-multimedia-ohm-plugins-misc,tswindell/ohm-plugins-misc,jusa/ohm-plugins-misc,maemo-foss/maemo-multimedia-ohm-plugins-misc