Fix some uninitialized variables in dash-qt (#1324)

* Fix uninitialized variables in WalletModel

* Fix uninitialized variable on overviewpage startup

src/qt/overviewpage.cpp

@@ -271,6 +271,8 @@ void OverviewPage::setWalletModel(WalletModel *model)
     this->walletModel = model;
     if(model && model->getOptionsModel())
     {
+        // update the display unit, to not use the default ("DASH")
+        updateDisplayUnit();
         // Keep up to date with wallet
         setBalance(model->getBalance(), model->getUnconfirmedBalance(), model->getImmatureBalance(), model->getAnonymizedBalance(),
                    model->getWatchBalance(), model->getWatchUnconfirmedBalance(), model->getWatchImmatureBalance());
@@ -290,9 +292,6 @@ void OverviewPage::setWalletModel(WalletModel *model)
         updateWatchOnlyLabels(model->haveWatchOnly());
         connect(model, SIGNAL(notifyWatchonlyChanged(bool)), this, SLOT(updateWatchOnlyLabels(bool)));
     }
-
-    // update the display unit, to not use the default ("DASH")
-    updateDisplayUnit();
 }
 
 void OverviewPage::updateDisplayUnit()

src/qt/walletmodel.cpp

@@ -36,9 +36,17 @@ WalletModel::WalletModel(const PlatformStyle *platformStyle, CWallet *wallet, Op
     QObject(parent), wallet(wallet), optionsModel(optionsModel), addressTableModel(0),
     transactionTableModel(0),
     recentRequestsTableModel(0),
-    cachedBalance(0), cachedUnconfirmedBalance(0), cachedImmatureBalance(0),
+    cachedBalance(0),
+    cachedUnconfirmedBalance(0),
+    cachedImmatureBalance(0),
+    cachedAnonymizedBalance(0),
+    cachedWatchOnlyBalance(0),
+    cachedWatchUnconfBalance(0),
+    cachedWatchImmatureBalance(0),
     cachedEncryptionStatus(Unencrypted),
-    cachedNumBlocks(0)
+    cachedNumBlocks(0),
+    cachedTxLocks(0),
+    cachedPrivateSendRounds(0)
 {
     fHaveWatchOnly = wallet->HaveWatchOnly();
     fForceCheckBalanceChanged = false;