Notice: Trying to get property of non-object in DrupalFileCache->delete_flushed()

Good catch, thank you! Fixed in c564c74.

Sorry for re-open this one, but the patch was incomplete. Here is what I got:

Notice: Trying to get property of non-object in DrupalFileCache->delete_flushed() (line 441 of filecache.inc)

... and again it's because this:

437        $cache = @unserialize($content);
438        if ($content === FALSE) {
439          continue;
440        }
441        if ($cache->expire != CACHE_PERMANENT &&
442            $cache->expire <= $cache_flush) {
443          @unlink($filename);
444        }

should be this:

437        $cache = @unserialize($content);
438        if ($cache === FALSE) {
439          continue;
440        }
441        if ($cache->expire != CACHE_PERMANENT &&
442            $cache->expire <= $cache_flush) {
443          @unlink($filename);
444        }

I can provide a patch against last dev if required.