Merge pull request #5227

4cdaa95 Resize after succesful result (Pieter Wuille)
9d8604f Header define style cleanups (Pieter Wuille)
a53fd41 Deterministic signing (Pieter Wuille)
3060e36 Add the RFC6979 PRNG (Pieter Wuille)
a8f5087 Add HMAC-SHA256 (Pieter Wuille)
36fa4a7 Split up crypto/sha2 (Pieter Wuille)

src/test/script_tests.cpp

@@ -248,8 +248,9 @@ public:
     {
         uint256 hash = SignatureHash(scriptPubKey, spendTx, 0, nHashType);
         std::vector<unsigned char> vchSig, r, s;
+        uint32_t iter = 0;
         do {
-            key.Sign(hash, vchSig);
+            key.Sign(hash, vchSig, iter++);
             if ((lenS == 33) != (vchSig[5 + vchSig[3]] == 33)) {
                 NegateSignatureS(vchSig);
             }