Fontconfig warning fix

Fontconfig warning
When running a application from the terminal the following warning is displayed:
Fontconfig warning: "/etc/fonts/conf.d/50-user.conf", line 9: reading configurations from ~/.fonts.conf is deprecated.

Quick Fix
Open a terminal window and run:
mkdir -p $HOME/.config/fontconfig
mv $HOME/.fonts.conf $HOME/.config/fontconfig/fonts.conf