Adding a patch to cdrkit, for it to work with cmake 2.8.

I don't know how it could build ever with older cmake versions, because IMO
they lacked the patch I'm adding.

svn path=/nixpkgs/trunk/; revision=18903

pkgs/tools/cd-dvd/cdrkit/default.nix

@@ -10,6 +10,8 @@ stdenv.mkDerivation rec {
 
   buildInputs = [cmake libcap zlib bzip2];
 
+  patches = [ ./include-path.patch ];
+
   postInstall = ''
     # file name compatibility with the old cdrecord (growisofs wants this name)
     ln -s $out/bin/genisoimage $out/bin/mkisofs

pkgs/tools/cd-dvd/cdrkit/include-path.patch

@@ -0,0 +1,9 @@
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index 57edba6..d06b6d9 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -1,3 +1,4 @@
+ PROJECT (cdrkit C)
++INCLUDE_DIRECTORIES(${CMAKE_BINARY_DIR}/include)
+ SUBDIRS(include genisoimage wodim libedc libhfs_iso libparanoia icedax libusal librols libunls readom netscsid 3rd-party/dirsplit)
+