1 files changed, 6 insertions, 0 deletions
diff --git a/apt-pkg/contrib/fileutl.h b/apt-pkg/contrib/fileutl.h
index 5809bf1de..57d3ab841 100644
--- a/apt-pkg/contrib/fileutl.h
+++ b/apt-pkg/contrib/fileutl.h
@@ -41,6 +41,12 @@ using std::string;
 class FileFdPrivate;
 class FileFd
 {
+   friend class FileFdPrivate;
+   friend class GzipFileFdPrivate;
+   friend class Bz2FileFdPrivate;
+   friend class LzmaFileFdPrivate;
+   friend class DirectFileFdPrivate;
+   friend class PipedFileFdPrivate;
    protected:
    int iFd;