python312Packages.pygit2: fix build with GCC 14 (#366327)

pkgs/development/python-modules/pygit2/default.nix

@@ -6,6 +6,7 @@
   cached-property,
   cffi,
   fetchPypi,
+  fetchpatch,
   isPyPy,
   libgit2,
   pycparser,
@@ -26,6 +27,14 @@ buildPythonPackage rec {
     hash = "sha256-eymmeWuqFfyJ1EOsjVF3VBHZseWwbcQNRYxWyFdrSKI=";
   };
 
+  patches = [
+    # fix for GCC 14
+    (fetchpatch {
+      url = "https://github.com/libgit2/pygit2/commit/eba710e45bb40e18641c6531394bb46631e7f295.patch";
+      hash = "sha256-GFFzGVd/9+AcwicwOtBghhonijMp08svXTUZ/4/LmtI=";
+    })
+  ];
+
   preConfigure = lib.optionalString stdenv.hostPlatform.isDarwin ''
     export DYLD_LIBRARY_PATH="${libgit2}/lib"
   '';