bench: Use CDataStream.data()

Author: laanwj

src/bench/verify_script.cpp

@@ -94,7 +94,7 @@ static void VerifyScriptBench(benchmark::State& state)
             txCredit.vout[0].scriptPubKey.data(),
             txCredit.vout[0].scriptPubKey.size(),
             txCredit.vout[0].nValue,
-            (const unsigned char*)&stream[0], stream.size(), 0, flags, nullptr);
+            (const unsigned char*)stream.data(), stream.size(), 0, flags, nullptr);
         assert(csuccess == 1);
 #endif
     }