binaryninja-free: Fix libxml2 breakage (#420487)

pkgs/by-name/bi/binaryninja-free/package.nix

@@ -16,6 +16,7 @@
   xcbutilkeysyms,
   xcbutilrenderutil,
   xcbutilwm,
+  libxml2,
 }:
 stdenv.mkDerivation rec {
   pname = "binaryninja-free";
@@ -66,6 +67,12 @@ stdenv.mkDerivation rec {
     xcbutilwm
   ];
 
+  preFixup = ''
+    # Fix libxml2 breakage. See https://github.com/NixOS/nixpkgs/pull/396195#issuecomment-2881757108
+    mkdir -p "$out/lib"
+    ln -s "${lib.getLib libxml2}/lib/libxml2.so" "$out/lib/libxml2.so.2"
+  '';
+
   installPhase = ''
     runHook preInstall
     mkdir -p $out/