libjxl: add patch to fix build with gcc for RISC-V

pkgs/development/libraries/libjxl/default.nix

@@ -1,4 +1,5 @@
 { stdenv, lib, fetchFromGitHub
+, fetchpatch
 , brotli
 , cmake
 , giflib
@@ -33,6 +34,15 @@ stdenv.mkDerivation rec {
     fetchSubmodules = true;
   };
 
+  patches = [
+    # Add missing <atomic> content to fix gcc compilation for RISCV architecture
+    # https://github.com/libjxl/libjxl/pull/2211
+    (fetchpatch {
+      url = "https://github.com/libjxl/libjxl/commit/22d12d74e7bc56b09cfb1973aa89ec8d714fa3fc.patch";
+      hash = "sha256-X4fbYTMS+kHfZRbeGzSdBW5jQKw8UN44FEyFRUtw0qo=";
+    })
+  ];
+
   nativeBuildInputs = [
     cmake
     gtest