gnu: diffoscope: Update to 224.

* gnu/packages/diffoscope.scm (diffoscope): Update to 224.
* gnu/packages/patches/diffoscope-fix-llvm-test.patch:
Adjust accordingly.

gnu/packages/diffoscope.scm

@@ -75,7 +75,7 @@
 (define-public diffoscope
   (package
     (name "diffoscope")
-    (version "221")
+    (version "224")
     (source
      (origin
        (method git-fetch)
@@ -84,7 +84,7 @@
              (commit version)))
        (file-name (git-file-name name version))
        (sha256
-        (base32 "0b89hygd4m18p3wcx7haz0kwx7gn7irjswxz29lv8sb2r1vqq4za"))
+        (base32 "1qdivsf4yygg2az5018pw0q4169zas3hfqjydd0q3bhdrfpl0q4q"))
        (patches
         (search-patches "diffoscope-fix-llvm-test.patch"))))
     (build-system python-build-system)

gnu/packages/patches/diffoscope-fix-llvm-test.patch

@@ -3,7 +3,7 @@ From: Tobias Geerinckx-Rice <me@tobias.gr>
 Date: Mon, 4 Oct 2021 21:03:43 +0200
 Subject: [PATCH] gnu: diffoscope: Fix test_item3_deflate_llvm_bitcode.
 
-Taken verbatim from Nixpkgs[0].
+Taken verbatim from Nixpkgs[0].  Later extended for diffoscope >= 224.
 
 [0]: https://github.com/NixOS/nixpkgs/blob/589e03f109092a3ba97781fd0533110bf78a3f97/pkgs/tools/misc/diffoscope/fix-tests.patch
 ---
@@ -11,18 +11,19 @@ Taken verbatim from Nixpkgs[0].
  1 file changed, 3 deletions(-)
 
 diff --git a/tests/comparators/test_rlib.py b/tests/comparators/test_rlib.py
-index 8d201ab..05960aa 100644
+index 8a20114d..64cea17f 100644
 --- a/tests/comparators/test_rlib.py
 +++ b/tests/comparators/test_rlib.py
-@@ -81,9 +81,6 @@ def rlib_dis_expected_diff():
+@@ -80,12 +80,6 @@ def rlib_dis_expected_diff():
      if actual_ver >= "7.0":
          diff_file = "rlib_llvm_dis_expected_diff_7"
  
 -    if actual_ver >= "10.0":
 -        diff_file = "rlib_llvm_dis_expected_diff_10"
+-
+-    if actual_ver >= "15.0":
+-        diff_file = "rlib_llvm_dis_expected_diff_15"
 -
      return get_data(diff_file)
  
  
---
-2.33.0