scripted-diff: Remove trailing whitespaces

-BEGIN VERIFY SCRIPT-

sed --in-place'' --regexp-extended 's/[[:space:]]+$//g' $(git grep -I --files-with-matches --extended-regexp '[[:space:]]+$' -- src test  ':!*.svg' ':!src/crypto/sha256_sse4*' ':!src/leveldb' ':!src/qt/locale' ':!src/secp256k1' ':!src/univalue')

-END VERIFY SCRIPT-

src/qt/walletview.cpp

@@ -107,7 +107,7 @@ void WalletView::setBitcoinGUI(BitcoinGUI *gui)
         // Pass through transaction notifications
         connect(this, SIGNAL(incomingTransaction(QString,int,CAmount,QString,QString,QString,QString)), gui, SLOT(incomingTransaction(QString,int,CAmount,QString,QString,QString,QString)));
 
-        // Connect HD enabled state signal 
+        // Connect HD enabled state signal
         connect(this, SIGNAL(hdEnabledStatusChanged()), gui, SLOT(updateWalletStatus()));
     }
 }