add d-pointer, virtual destructors and de-inline de/constructors

To have a chance to keep the ABI for a while we need all three to team
up. One of them missing and we might loose, so ensuring that they are
available is a very tedious but needed task once in a while.

Git-Dch: Ignore

1 files changed, 1 insertions, 0 deletions

diff --git a/apt-pkg/metaindex.h b/apt-pkg/metaindex.h
index e1810fb27..760c7dd15 100644
--- a/apt-pkg/metaindex.h
+++ b/apt-pkg/metaindex.h
@@ -28,6 +28,7 @@ class OpProgress;
 
 class metaIndex
 {
+   void *d;
    protected:
    std::vector <pkgIndexFile *> *Indexes;
    const char *Type;