Change spacer minimum height hint

This hopefully fixes the lock fall of the page issue (again).

Author: jamescowens

src/qt/bitcoingui.cpp

@@ -464,7 +464,8 @@ void BitcoinGUI::createToolBars()
     toolbar->addAction(lockWalletAction);
     QWidget* webSpacer = new QWidget();
 
-    webSpacer->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
+    webSpacer->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::MinimumExpanding);
+    webSpacer->setMinimumHeight(1);
     webSpacer->setMaximumHeight(10);
     toolbar->addWidget(webSpacer);
     webSpacer->setObjectName("WebSpacer");