fix "send coins" via context menu in address book

- the send coins context menu entry was not working anymore, because
  a non current version of #2220 was merged onto current master
- also removes some unneeded spaces and adds a comment to
  WalletModel::getNumTransactions()

src/qt/bitcoingui.cpp

@@ -205,7 +205,7 @@ void BitcoinGUI::createActions()
     connect(historyAction, SIGNAL(triggered()), this, SLOT(gotoHistoryPage()));
     connect(addressBookAction, SIGNAL(triggered()), this, SLOT(showNormalIfMinimized()));
     connect(addressBookAction, SIGNAL(triggered()), this, SLOT(gotoAddressBookPage()));
-    
+
     quitAction = new QAction(QIcon(":/icons/quit"), tr("E&xit"), this);
     quitAction->setStatusTip(tr("Quit application"));
     quitAction->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_Q));
@@ -475,9 +475,9 @@ void BitcoinGUI::gotoReceiveCoinsPage()
     if (walletFrame) walletFrame->gotoReceiveCoinsPage();
 }
 
-void BitcoinGUI::gotoSendCoinsPage()
+void BitcoinGUI::gotoSendCoinsPage(QString addr)
 {
-    if (walletFrame) walletFrame->gotoSendCoinsPage();
+    if (walletFrame) walletFrame->gotoSendCoinsPage(addr);
 }
 
 void BitcoinGUI::gotoSignMessageTab(QString addr)
@@ -700,7 +700,7 @@ void BitcoinGUI::askFee(qint64 nFeeRequired, bool *payFee)
 
 void BitcoinGUI::incomingTransaction(const QString& date, int unit, qint64 amount, const QString& type, const QString& address)
 {
-   // On new transaction, make an info balloon
+    // On new transaction, make an info balloon
     message((amount)<0 ? tr("Sent transaction") : tr("Incoming transaction"),
              tr("Date: %1\n"
                 "Amount: %2\n"