dmg2img: fix build against openssl 1.1

pkgs/tools/misc/dmg2img/default.nix

@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, zlib, bzip2, openssl }:
+{ stdenv, fetchurl, zlib, bzip2, openssl, fetchpatch }:
 
 stdenv.mkDerivation rec {
   name = "dmg2img-1.6.7";
@@ -8,11 +8,20 @@ stdenv.mkDerivation rec {
     sha256 = "066hqhg7k90xcw5aq86pgr4l7apzvnb4559vj5s010avbk8adbh2";
   };
 
-  buildInputs = [zlib bzip2 openssl];
+  buildInputs = [ zlib bzip2 openssl ];
+
+  patches = [
+    (fetchpatch {
+      url = "https://raw.githubusercontent.com/Homebrew/formula-patches/85fa66a9/dmg2img/openssl-1.1.diff";
+      sha256 = "076sz69hf3ryylplg025vl8sj991cb81g3yazsmrf8anrd7ffmxx";
+    })
+  ];
+
+  patchFlags = [ "-p0" ];
 
   installPhase = ''
-    mkdir -p $out/bin
-    cp dmg2img $out/bin
+    install -D dmg2img $out/bin/dmg2img
+    install -D vfdecrypt $out/bin/vfdecrypt
   '';
 
   meta = {