libowfat: pull a(nother) patch from Gentoo
libowfat: pull a(nother) patch from Gentoo

This fixes the build of opentracker:
https://hydra.nixos.org/build/196397424
which in turn allows to build all transmission.tests

NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs