misc pkgs: Basic sed to get fix pkgconfig and autoreconfHook buildInputs

Only acts on one-line dependency lists.

pkgs/development/libraries/libtermkey/default.nix

@@ -13,7 +13,8 @@ stdenv.mkDerivation rec {
   makeFlags = [ "PREFIX=$(out)" ]
     ++ stdenv.lib.optional stdenv.isDarwin "LIBTOOL=${libtool}/bin/libtool";
 
-  buildInputs = [ libtool pkgconfig ncurses ];
+  nativeBuildInputs = [ pkgconfig ];
+  buildInputs = [ libtool ncurses ];
 
   meta = with lib; {
     description = "Terminal keypress reading library";