llvm: Propagate ncurses and zlib

Really shouldn't be needed with shared libs, should patch llvm-config

Fixes #1601

Signed-off-by: Shea Levy <shea@shealevy.com>

pkgs/development/compilers/llvm/3.4/llvm.nix

@@ -10,6 +10,7 @@
 , valgrind
 , ncurses
 , version
+, zlib
 }:
 
 let
@@ -27,6 +28,8 @@ in stdenv.mkDerivation rec {
 
   buildInputs = [ perl groff cmake libxml2 python libffi ncurses ] ++ stdenv.lib.optional stdenv.isLinux valgrind;
 
+  propagatedBuildInputs = [ ncurses zlib ];
+
   # hacky fix: created binaries need to be run before installation
   preBuild = ''
     mkdir -p $out/