revive the spirit of 331899ba39369edef33e36fb727c563620c8380a

diff --git a/ext/lmdb-safe/lmdb-safe.hh b/ext/lmdb-safe/lmdb-safe.hh
index 2aabad86a7a5d7b696d551660bacb8f6879801b9..71abc6a1a7761d1fcd2ec07acc1cbe37bb78391b 100644 (file)
--- a/ext/lmdb-safe/lmdb-safe.hh
+++ b/ext/lmdb-safe/lmdb-safe.hh
@@ -314,7 +314,7 @@ class MDBGenCursor
 {
 private:
   std::vector<T*> *d_registry;
-  MDB_cursor* d_cursor;
+  MDB_cursor* d_cursor{nullptr};
 
 public:
   MDBGenCursor():