get_user_file_path(): looking for /<Rb>/fonts/18-Adobe-Helvetica-Bold.fnt
	 /home/jonno/.config/rockbox.org/fonts/18-Adobe-Helvetica-Bold.fnt: no
	 /usr/local/share/rockbox/fonts/18-Adobe-Helvetica-Bold.fnt: no
	get_user_file_path(): /<Rb>/fonts/18-Adobe-Helvetica-Bold.fnt

$ ls /usr/local/share/rockbox/fonts/12-
12-Adobe-Helvetica-Bold.fnt  12-ProFont.fnt
12-Adobe-Helvetica.fnt       12-Sazanami-Mincho.fnt
12-Fixed-SemiCond.fnt        12-Terminus.fnt
12-Nimbus.fnt