PR11282: Keep the md4 state in the hash copy constructor

We were getting new hash collisions, because the new hash copy
constructor was restarting the md4 computation.  Everything from
get_base_hash was thus lost.

* hash.h (hash::hash): Keep the md4 state when copying.

1 files changed, 1 insertions, 1 deletions

diff --git a/hash.h b/hash.h
index 173f8e51..0c1a745f 100644
--- a/hash.h
+++ b/hash.h
@@ -19,7 +19,7 @@ private:
 
 public:
   hash() { start(); }
-  hash(const hash &base) { start(); parm_stream << base.parm_stream.str();}
+  hash(const hash &base) { md4 = base.md4; parm_stream << base.parm_stream.str(); }
 
   void start();