keepassxc: fix build with botan 3.10

This commit is a preparational step for a
bump of the botan crypto library in a separate
PR. I was not able to compile without converting
a static to a dynamic cast. The fix will be included
in the next upstream version of keepassxc.

Signed-off-by: Markus Theil <theil.markus@gmail.com>

pkgs/by-name/ke/keepassxc/package.nix

@@ -2,6 +2,7 @@
   lib,
   stdenv,
   fetchFromGitHub,
+  fetchpatch2,
   cmake,
   libsForQt5,
 
@@ -54,7 +55,16 @@ stdenv.mkDerivation (finalAttrs: {
 
   NIX_LDFLAGS = lib.optionalString stdenv.hostPlatform.isDarwin "-rpath ${libargon2}/lib";
 
-  patches = [ ./darwin.patch ];
+  patches = [
+    ./darwin.patch
+    # Fixes a static_cast related compilation issue by converting to dynamic cast.
+    # Will be included in next release > 2.7.10 and can be dropped on bump.
+    (fetchpatch2 {
+      name = "fix-botan-3.10.patch";
+      url = "https://github.com/keepassxreboot/keepassxc/commit/fedcbf60c5c0dc7c3602c49a984d53a45c154c73.patch";
+      hash = "sha256-UntT7/LDjslyqHqt5gJjzC/vMw/RVZLNj2ZxzBPL9xI=";
+    })
+  ];
 
   cmakeFlags = [
     (lib.cmakeFeature "KEEPASSXC_BUILD_TYPE" "Release")