minidlna: add Arch patch for FFmpeg 7 (#348374)

pkgs/tools/networking/minidlna/default.nix

@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchgit, autoreconfHook, ffmpeg, flac, libvorbis, libogg, libid3tag, libexif, libjpeg, sqlite, gettext, nixosTests, zlib }:
+{ lib, stdenv, fetchgit, fetchpatch2, autoreconfHook, ffmpeg, flac, libvorbis, libogg, libid3tag, libexif, libjpeg, sqlite, gettext, nixosTests, zlib }:
 
 let
   pname = "minidlna";
@@ -13,6 +13,13 @@ stdenv.mkDerivation {
     hash = "sha256-InsSguoGi1Gp8R/bd4/c16xqRuk0bRsgw7wvcbokgKo=";
   };
 
+  patches = [
+    (fetchpatch2 {
+      url = "https://gitlab.archlinux.org/archlinux/packaging/packages/minidlna/-/raw/affcf0dd1e6f8e33d0ba90b2b0733736fa1aeb71/ffmpeg7.patch";
+      hash = "sha256-MZFPY4FywoMkZ//fKml6o5J1QG5qiScgtI+KFw5hENw=";
+    })
+  ];
+
   preConfigure = ''
     export makeFlags="INSTALLPREFIX=$out"
   '';