Fix build: random_shuffle removal, Windows daemon missing objects

- Replace random_shuffle (removed in C++17) with std::shuffle in wallet.cpp
- Add -std=c++17 to makefile.mingw (Windows daemon was missing it)
- Add lz4.o, tor_embed_hooks.o, tor_embedded.o to makefile.mingw OBJS
- Add build rules for new objects in makefile.mingw
- Simplify Tor embedded build to use aggregate libtor.a

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

src/wallet.cpp

@@ -14,6 +14,7 @@
 #include "addressindex.h"
 #include <boost/algorithm/string/replace.hpp>
 #include <algorithm>
+#include <random>
 #include <deque>
 
 using namespace std;
@@ -1477,7 +1478,7 @@ bool CWallet::SelectCoinsMinConf(int64_t nTargetValue, unsigned int nSpendTime,
     vector<pair<int64_t, pair<const CWalletTx*,unsigned int> > > vValue;
     int64_t nTotalLower = 0;
 
-    random_shuffle(vCoins.begin(), vCoins.end(), GetRandInt);
+    std::shuffle(vCoins.begin(), vCoins.end(), std::mt19937(GetRandInt(std::numeric_limits<int>::max())));
 
     for (COutput output : vCoins)
     {