Enable warnings for contrib/ad-keytab

Fix one duplicate code line that produced a warning.

diff --git a/contrib/ad-keytab b/contrib/ad-keytab
index 2703ce59c95678483c2b2d4f0d606fa021660e30..836cda51d53a0e6ef0170cd9b9b9b0559310dbb4 100755 (executable)
--- a/contrib/ad-keytab
+++ b/contrib/ad-keytab
@@ -11,13 +11,17 @@
 # Declarations
 ##############################################################################
 
+require 5.005;
+
+use strict;
+use warnings;
+
 use Authen::SASL;
 use Carp;
 use Getopt::Long;
 use IPC::Run qw( run timeout );
 use Net::LDAP;
 use Pod::Usage;
-use strict;
 
 my $opt_ad_server;
 my $opt_base_dn;