Make nType and nVersion private and sometimes const

Make the various stream implementations' nType and nVersion private
and const (except in CDataStream where we really need a setter).

1 files changed, 2 insertions, 2 deletions

diff --git a/src/hash.h b/src/hash.h
index 88926ab31..73e31580d 100644
--- a/src/hash.h
+++ b/src/hash.h
@@ -132,9 +132,9 @@ class CHashWriter
 private:
     CHash256 ctx;
 
+    const int nType;
+    const int nVersion;
 public:
-    int nType;
-    int nVersion;
 
     CHashWriter(int nTypeIn, int nVersionIn) : nType(nTypeIn), nVersion(nVersionIn) {}