scanner: skip symlinks to avoid issues
scanner: skip symlinks to avoid issues

If they resolve to a missing file, we don't care about them. If they resolve
to an existing file, we'll scan that file anyway.

f-droid/fdroid-server,fdroidtravis/fdroidserver,f-droid/fdroid-server,f-droid/fdroid-server,f-droid/fdroid-server,f-droid/fdroidserver,f-droid/fdroidserver,fdroidtravis/fdroidserver,f-droid/fdroidserver,fdroidtravis/fdroidserver,f-droid/fdroid-server,f-droid/fdroidserver,fdroidtravis/fdroidserver,f-droid/fdroidserver