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

Only acts on one-line dependency lists.

pkgs/tools/backup/attic/default.nix

@@ -10,7 +10,8 @@ let
       url = "mirror://pypi/l/llfuse/${name}.tar.bz2";
       sha256 = "1imlqw9b73086y97izr036f58pgc5akv4ihc2rrf8j5h75jbrlaa";
     };
-    buildInputs = with python3Packages; [ pytest pkgconfig fuse attr which ];
+  nativeBuildInputs = [ pkgconfig ];
+    buildInputs = with python3Packages; [ pytest fuse attr which ];
     propagatedBuildInputs = with python3Packages; [ contextlib2 ];
     checkPhase = ''
       py.test

pkgs/tools/backup/partimage/default.nix

@@ -11,7 +11,8 @@ stdenv.mkDerivation {
   };
   configureFlags = "--with-ssl-headers=${openssl.dev}/include/openssl";
 
-  buildInputs = [bzip2 zlib newt newt openssl pkgconfig slang
+  nativeBuildInputs = [ pkgconfig ];
+  buildInputs = [bzip2 zlib newt newt openssl slang
     # automake autoconf libtool gettext
   ];