Revision 15876: fhem.pl: Fix warning in RemoveInternalTimer for empty arg like ...
fhem.pl: Fix warning in RemoveInternalTimer for empty arg like scheduled by structure or FHEMWEB
Source: Revision 15876: fhem.pl: Fix warning in RemoveInternalTimer for empty arg like ... (http://svn.fhem.de/trac/changeset/15876/trunk)