catdoc: fix build on darwin

pkgs/tools/text/catdoc/default.nix

@@ -16,6 +16,12 @@ stdenv.mkDerivation rec {
     })
   ];
 
+  # Remove INSTALL file to avoid `make` misinterpreting it as an up-to-date
+  # target on case-insensitive filesystems e.g. Darwin
+  preInstall = ''
+    rm -v INSTALL
+  '';
+
   configureFlags = [ "--disable-wordview" ];
 
   meta = with lib; {