fixes to staking gui

src/qt/bitcoingui.cpp

@@ -82,7 +82,6 @@ BitcoinGUI::BitcoinGUI(const PlatformStyle *platformStyle, const NetworkStyle *n
     labelEncryptionIcon(0),
     labelConnectionsIcon(0),
     labelBlocksIcon(0),
-	labelStakingIcon(0),
     progressBarLabel(0),
     progressBar(0),
     progressDialog(0),
@@ -200,13 +199,6 @@ BitcoinGUI::BitcoinGUI(const PlatformStyle *platformStyle, const NetworkStyle *n
     labelConnectionsIcon = new QLabel();
     labelBlocksIcon = new QLabel();
     labelStakingIcon = new QLabel();
-//    if (GetBoolArg("-staking", true))
-//    {
-    	QTimer *timerStakingIcon = new QTimer(labelStakingIcon);
-        connect(timerStakingIcon, SIGNAL(timeout()), this, SLOT(updateStakingIcon()));
-        timerStakingIcon->start(30 * 1000);
-        updateStakingIcon();
-//    }
 
     if(enableWallet)
     {
@@ -222,6 +214,15 @@ BitcoinGUI::BitcoinGUI(const PlatformStyle *platformStyle, const NetworkStyle *n
     frameBlocksLayout->addStretch();
     frameBlocksLayout->addWidget(labelBlocksIcon);
     frameBlocksLayout->addStretch();
+	
+	if (GetBoolArg("-staking", true))
+    {
+        QTimer *timerStakingIcon = new QTimer(labelStakingIcon);
+        connect(timerStakingIcon, SIGNAL(timeout()), this, SLOT(updateStakingIcon()));
+        timerStakingIcon->start(30 * 1000);
+
+        updateStakingIcon();
+    }
 
 
     // Progress bar and label for blocks download

src/qt/walletframe.cpp

@@ -188,7 +188,6 @@ unsigned long long WalletFrame::updateWeight()
     WalletView *walletView = currentWalletView();
     if (walletView)
         return walletView->updateWeight();
-    return 0;
 }
 
 void WalletFrame::usedSendingAddresses()

src/qt/walletmodel.cpp

@@ -680,15 +680,15 @@ bool WalletModel::saveReceiveRequest(const std::string &sAddress, const int64_t
 unsigned long long WalletModel::updateWeight()
 {
     if (!wallet)
-        return 0;
+        return;
 
     TRY_LOCK(cs_main, lockMain);
     if (!lockMain)
-    	return 0;
+    	return;
 
     TRY_LOCK(wallet->cs_wallet, lockWallet);
     if (!lockWallet)
-    	return 0;
+    	return;
 
     return wallet->GetStakeWeight();
 }

src/qt/walletview.cpp

@@ -284,9 +284,8 @@ void WalletView::lockWallet()
 
 unsigned long long WalletView::updateWeight()
 {
-    if(!walletModel)
-        return 0;
-    return walletModel->updateWeight();
+    if(walletModel)
+		return walletModel->updateWeight();
 }
 
 void WalletView::usedSendingAddresses()