Fix PHP Notice for accessing null array with php 7.4
Fix PHP Notice for accessing null array with php 7.4

elkarte/Elkarte,elkarte/Elkarte,StealthWombat/How-to-fork-an-Elk,emanuele45/Dialogo,Spuds/Elkarte,emanuele45/Dialogo,StealthWombat/How-to-fork-an-Elk,Spuds/Elkarte,interlab/Elkarte,interlab/Elkarte,elkarte/Elkarte,StealthWombat/How-to-fork-an-Elk,StealthWombat/How-to-fork-an-Elk,Spuds/Elkarte,interlab/Elkarte,emanuele45/Dialogo