scripted-diff: Avoid `interface` keyword to fix windows gitian build

Rename `interface` to `interfaces`

Build failure reported by Chun Kuan Lee <ken2812221@gmail.com>
https://github.com/bitcoin/bitcoin/pull/10244#issuecomment-379434756

-BEGIN VERIFY SCRIPT-

git mv src/interface src/interfaces
ren() { git grep -l "$1" | xargs sed -i "s,$1,$2,g"; }
ren interface/            interfaces/
ren interface::           interfaces::
ren BITCOIN_INTERFACE_    BITCOIN_INTERFACES_
ren "namespace interface" "namespace interfaces"

-END VERIFY SCRIPT-

1 files changed, 5 insertions, 5 deletions

diff --git a/src/qt/overviewpage.cpp b/src/qt/overviewpage.cpp
index 76d0220648..8e8788dad3 100644
--- a/src/qt/overviewpage.cpp
+++ b/src/qt/overviewpage.cpp
@@ -21,7 +21,7 @@
 #define DECORATION_SIZE 54
 #define NUM_ITEMS 5
 
-Q_DECLARE_METATYPE(interface::WalletBalances)
+Q_DECLARE_METATYPE(interfaces::WalletBalances)
 
 class TxViewDelegate : public QAbstractItemDelegate
 {
@@ -157,7 +157,7 @@ OverviewPage::~OverviewPage()
     delete ui;
 }
 
-void OverviewPage::setBalance(const interface::WalletBalances& balances)
+void OverviewPage::setBalance(const interfaces::WalletBalances& balances)
 {
     int unit = walletModel->getOptionsModel()->getDisplayUnit();
     m_balances = balances;
@@ -224,10 +224,10 @@ void OverviewPage::setWalletModel(WalletModel *model)
         ui->listTransactions->setModelColumn(TransactionTableModel::ToAddress);
 
         // Keep up to date with wallet
-        interface::Wallet& wallet = model->wallet();
-        interface::WalletBalances balances = wallet.getBalances();
+        interfaces::Wallet& wallet = model->wallet();
+        interfaces::WalletBalances balances = wallet.getBalances();
         setBalance(balances);
-        connect(model, SIGNAL(balanceChanged(interface::WalletBalances)), this, SLOT(setBalance(interface::WalletBalances)));
+        connect(model, SIGNAL(balanceChanged(interfaces::WalletBalances)), this, SLOT(setBalance(interfaces::WalletBalances)));
 
         connect(model->getOptionsModel(), SIGNAL(displayUnitChanged(int)), this, SLOT(updateDisplayUnit()));