PRESENCE: fix "Use of uninitialized value" log entries when qx() returns undef (Forum: #55290)
PRESENCE: fix "Use of uninitialized value" log entries when qx() returns undef (Forum: #55290)View Changes
Source: PRESENCE: fix "Use of uninitialized value" log entries when qx() returns undef (Forum: #55290) (https://sourceforge.net/p/fhem/code/11745/)