Use 'boost' mutex instead of 'std' mutex

src/wallet/wallet2.cpp

@@ -1008,7 +1008,7 @@ void wallet2::set_unspent(size_t idx)
 void wallet2::check_acc_out_precomp(const tx_out &o, const crypto::key_derivation &derivation, const std::vector<crypto::key_derivation> &additional_derivations, size_t i, tx_scan_info_t &tx_scan_info) const
 {
   hw::device &hwdev = m_account.get_device();
-  std::unique_lock<hw::device> hwdev_lock (hwdev);
+  boost::unique_lock<hw::device> hwdev_lock (hwdev);
   hwdev.set_mode(hw::device::TRANSACTION_PARSE);
   if (o.target.type() !=  typeid(txout_to_key))
   {
@@ -1086,7 +1086,7 @@ void wallet2::process_new_transaction(const crypto::hash &txid, const cryptonote
   //ensure device is let in NONE mode in any case
   hw::device &hwdev = m_account.get_device(); 
   
-  std::unique_lock<hw::device> hwdev_lock (hwdev);
+  boost::unique_lock<hw::device> hwdev_lock (hwdev);
   hw::reset_mode rst(hwdev);  
   hwdev_lock.unlock();
 
@@ -7285,7 +7285,7 @@ std::vector<wallet2::pending_tx> wallet2::create_transactions_2(std::vector<cryp
 {
   //ensure device is let in NONE mode in any case
   hw::device &hwdev = m_account.get_device();
-  std::unique_lock<hw::device> hwdev_lock (hwdev);
+  boost::unique_lock<hw::device> hwdev_lock (hwdev);
   hw::reset_mode rst(hwdev);  
 
   if(m_light_wallet) {
@@ -7868,7 +7868,7 @@ std::vector<wallet2::pending_tx> wallet2::create_transactions_from(const crypton
 {
   //ensure device is let in NONE mode in any case
   hw::device &hwdev = m_account.get_device();
-  std::unique_lock<hw::device> hwdev_lock (hwdev);
+  boost::unique_lock<hw::device> hwdev_lock (hwdev);
   hw::reset_mode rst(hwdev);  
 
   uint64_t accumulated_fee, accumulated_outputs, accumulated_change;