Fix a typo in a query against shadow_files.
[pr0n] / perl /
drwxr-xr-x   ..
drwxr-xr-x - Sesse
-rwxr-xr-x 1820 pr0n-upload.pl
-rwxr-xr-x 3721 update-image-cache.pl
-rwxr-xr-x 2714 update-image-info.pl