Teach rpm tag table about extensions

- add rpmTag_e enumerations for all extension tags
- add extension field to headerTagTableEntry_s for things that are "pure"
  extensions (instead of just extension overrides) so we have a chance to
  catch out anybody trying to insert such tags to headers

1 files changed, 1 insertions, 0 deletions

diff --git a/lib/header.h b/lib/header.h
index 0c6321831..fab831155 100644
--- a/lib/header.h
+++ b/lib/header.h
@@ -30,6 +30,7 @@ struct headerTagTableEntry_s {
     const char * shortname;	/*!< "Human readable" short name. */
     rpmTag val;			/*!< Tag numeric value. */
     rpmTagType type;		/*!< Tag type. */
+    int extension;		/*!< Extension or "real" tag */
 };
 
 /**