ff-get: Ensure that empty fics don't get to the point of being written to disk
ff-get: Ensure that empty fics don't get to the point of being written to disk

This saves us crashes when empty titles are passed to `filenameize`.

Credit: da39a3ee5e6b4b0d3255bfef95601890afd80709@cwgreene
PR-URL: https://github.com/iarna/fetch-fic/pull/3

iarna/fetch-fic