recastnavigation: fix build w/glibc-2.34

Failing Hydra build: https://hydra.nixos.org/build/163634618

pkgs/development/libraries/recastnavigation/default.nix

@@ -1,4 +1,4 @@
-{ stdenv, lib, fetchFromGitHub, cmake, libGL, SDL2, libGLU }:
+{ stdenv, lib, fetchFromGitHub, cmake, libGL, SDL2, libGLU, catch }:
 
 stdenv.mkDerivation rec {
   pname = "recastai";
@@ -13,6 +13,12 @@ stdenv.mkDerivation rec {
     sha256 = "sha256-QP3lMMFR6fiKQTksAkRL6X9yaoVz2xt4QSIP9g6piww=";
   };
 
+  postPatch = ''
+    cp ${catch}/include/catch/catch.hpp Tests/catch.hpp
+  '';
+
+  doCheck = true;
+
   nativeBuildInputs = [ cmake ];
 
   buildInputs = [ libGL SDL2 libGLU ];