loc_tools.pl: use 'warnings'

diff --git a/t/loc_tools.pl b/t/loc_tools.pl
index f4b9977..57e4b2a 100644 (file)
--- a/t/loc_tools.pl
+++ b/t/loc_tools.pl
@@ -12,6 +12,7 @@
 
 use Config;
 use strict;
+use warnings;
 
 eval { require POSIX; import POSIX 'locale_h'; };
 my $has_locale_h = ! $@;