Made the window a little prettier

electrum

@@ -156,6 +156,7 @@ if __name__ == '__main__':
               app = QApplication(sys.argv)
 
               error_message = QErrorMessage()
+              error_message.setFixedSize(350,200)
               error_message.showMessage("<p>Sorry, Electrum requires Qt >= 4.7 to run.</p><p>Check your distributions packages or download it at http://qt.nokia.com/downloads</p>")
               app.exec_()
               sys.exit(0)