Follow argument position change.

src/zc/buildout/download.py

@@ -192,8 +192,8 @@ class Download(object):
                             'MD5 checksum mismatch downloading %r' % url)
                     # Upload the file to networkcached.
                     if self.upload_cache_url and self.upload_dir_url:
-                        upload_network_cached(self.upload_cache_url,
-                            self.upload_dir_url, url, tmp_path, self.logger)
+                        upload_network_cached(self.upload_dir_url,
+                            self.upload_cache_url, url, tmp_path, self.logger)
             finally:
                 os.close(handle)
         except:

src/zc/buildout/easy_install.py

@@ -723,8 +723,8 @@ class Installer:
                                          new_location, dist.location, logger):
             new_location = self._index.download(dist.location, tmp)
             if self._upload_cache_url and self._upload_dir_url:
-                upload_network_cached(self._upload_cache_url,
-                    self._upload_dir_url, dist.location, new_location, logger)
+                upload_network_cached(self._upload_dir_url,
+                   self._upload_cache_url, dist.location, new_location, logger)
 
         if (download_cache
             and (realpath(new_location) == realpath(dist.location))