contour: mark broken

Since 648fd81e3e, contour has been
broken with what looks like a buffer overflow check failing.

The current version is also far behind upstream, and has
been broken on aarch64 for over a year.

Refs: #345752 648fd81e3e
Signed-off-by: Christina Sørensen <christina@cafkafk.com>

pkgs/applications/terminal-emulators/contour/default.nix

@@ -99,5 +99,8 @@ stdenv.mkDerivation (final: {
     maintainers = with maintainers; [ moni ];
     platforms = platforms.unix;
     mainProgram = "contour";
+    # This was caused by boxed-cpp 1.4.2 -> 1.4.3
+    # More details in issue #345752
+    broken = true;
   };
 })