message: LOCK(cs_wallet) when fetching AnonStakeAddress
diff: @@ -3914,6 +3914,7 @@ bool CWallet::GetAnonChangeAddress(CStealthAddress &sxAddress)
  bool CWallet::GetAnonStakeAddress(const COwnedAnonOutput& stakedOao, CStealthAddress& sxAddress)
  {
  // TODO Get corresponding stealth address for stakedOao
  + LOCK(cs_wallet);
  ExtKeyAccountMap::iterator mi = mapExtAccounts.find(idDefaultAccount);
  if (mi != mapExtAccounts.end())
  