cedille: 1.1.1 -> 1.1.2; fix build

pkgs/applications/science/logic/cedille/default.nix

@@ -10,17 +10,21 @@
 }:
 
 stdenv.mkDerivation rec {
-  version = "1.1.1";
+  version = "1.1.2";
   pname = "cedille";
 
   src = fetchFromGitHub {
     owner = "cedille";
     repo = "cedille";
     rev = "v${version}";
-    sha256 = "16pc72wz6kclq9yv2r8hx85mkp0s125h12snrhcjxkbl41xx2ynb";
+    sha256 = "1j745q9sd32fhcb96wjq6xvyqq1k6imppjnya6x0n99fyfnqzvg9";
     fetchSubmodules = true;
   };
 
+  patches = [
+    ./Fix-to-string.agda-to-compile-with-Agda-2.6.1.patch
+  ];
+
   nativeBuildInputs = [ alex happy ];
   buildInputs = [ Agda (ghcWithPackages (ps: [ps.ieee])) ];