fix enable printMessage with ./cash verify

This option has been forgot when introducing the parameter printMessage
in cash verify :-)

fixes #104

FabLabKasse/cashPayment/cashState.py

@@ -747,7 +747,7 @@ def decodeUtf8(x):
             date = dateFromString(" ".join(arguments['<date>']), None)
         else:
             date = None
-        verifySum(db, date=date)
+        verifySum(db, printMessage=True, date=date)
     elif arguments['verify-search']:
         step = timedelta(0, 3600)
         verifySearch(db, step)