ustva.pl auch strict

diff --git a/bin/mozilla/ustva.pl b/bin/mozilla/ustva.pl
index 9df5a66..7aa371f 100644 (file)
--- a/bin/mozilla/ustva.pl
+++ b/bin/mozilla/ustva.pl
@@ -23,6 +23,7 @@
 # German Tax authority Module and later ELSTER Interface
 #======================================================================
 
+use strict;
 use utf8;
 
 require "bin/mozilla/common.pl";