fixup! Avoid double free in simplicity pointer when copying PrecomputedTransactionData

Author: psgreco

src/script/interpreter.h

@@ -169,14 +169,7 @@ enum : uint32_t {
 
 bool CheckSignatureEncoding(const std::vector<unsigned char> &vchSig, unsigned int flags, ScriptError* serror);
 
-struct SimplicityTransactionDeleter
-{
-    void operator()(transaction* ptr)
-    {
-        simplicity_elements_freeTransaction(ptr);
-    }
-};
-using SimplicityTransactionUniquePtr = std::unique_ptr<transaction, SimplicityTransactionDeleter>;
+using SimplicityTransactionUniquePtr = std::unique_ptr<transaction, decltype(&simplicity_elements_freeTransaction)>;
 
 struct PrecomputedTransactionData
 {