php84.extensions.pcov: fix build (#346182)

pkgs/development/php-packages/pcov/default.nix

@@ -4,6 +4,7 @@
   php,
   pcre2,
   fetchFromGitHub,
+  fetchpatch,
 }:
 
 let
@@ -22,6 +23,14 @@ buildPecl {
 
   buildInputs = [ pcre2 ];
 
+  patches = [
+    # Allow building for PHP 8.4
+    (fetchpatch {
+      url = "https://github.com/krakjoe/pcov/commit/7d764c7c2555e8287351961d72be3ebec4d8743f.patch";
+      sha256 = "sha256-5wIHrrCwUXQpPdUg+3Kwyop5yvOzQQ3qc4pQXU8q2OM=";
+    })
+  ];
+
   meta = with lib; {
     changelog = "https://github.com/krakjoe/pcov/releases/tag/v${version}";
     description = "Self contained php-code-coverage compatible driver for PHP";