Fix /usr/bin/env shebang

diff --git a/common/scripts/gbtosvg.pl b/common/scripts/gbtosvg.pl
index e9fa73f..4f53b38 100755 (executable)
--- a/common/scripts/gbtosvg.pl
+++ b/common/scripts/gbtosvg.pl
@@ -1,8 +1,9 @@
-#!/usr/bin/env perl -w
+#!/usr/bin/env perl
 #
 # gbtosvg.pl
 
 use strict;
+use warnings;
 
 delete @ENV{qw(PATH IFS CDPATH ENV BASH_ENV)}; # clean house for taint mode