Bug#793155: incorrectly follows symlinks (patch provided)

[Tobias Frost]

Control: tags -1 fixed-upstream 

Fixed upstream: 
https://github.com/schani/metapixel/commit/72d77c2dade10c9c887bd056d4d9b156029f7f4d#diff-ddcb9fe2bb8ca6f8a04d464450f4223a

(On first glance, the patch is the same as the one on the BTS)