fix names

gui/qt/installwizard.py

@@ -7,7 +7,7 @@ from electrum import Wallet, mnemonic
 
 from seed_dialog import SeedDialog
 from network_dialog import NetworkDialog
-from qt_util import *
+from util import *
 from amountedit import AmountEdit
 
 import sys

gui/qt/password_dialog.py

@@ -19,7 +19,7 @@
 from PyQt4.QtGui import *
 from PyQt4.QtCore import *
 from electrum.i18n import _
-from qt_util import *
+from util import *