gpodder.model: Do not add files without filename
treec713f272431ecee6c098adf6c4bb73de96be9c1e
drwxr-xr-x - .tx
-rw-r--r-- 35147 COPYING
-rw-r--r-- 138 MANIFEST.in
-rw-r--r-- 10680 README
drwxr-xr-x - bin
-rw-r--r-- 4820 makefile
drwxr-xr-x - po
-rw-r--r-- 7432 setup.py
drwxr-xr-x - share
drwxr-xr-x - src
drwxr-xr-x - tools