Do not try to generate thumbnails for stuff that isn't a file
Do not try to generate thumbnails for stuff that isn't a file

This can cause the thumbnailer to freeze when trying to parse, for example, an .lnk pointing to a hard drive partition

GLolol/gnome-exe-thumbnailer,gnome-exe-thumbnailer/gnome-exe-thumbnailer,exe-thumbnailer/exe-thumbnailer