C<use strict> with Perl 5.002 or later to avoid confusing warnings
if installed in a library also used by Perl 5.001m. (It still won't
work with 5,001m, but the error message now states this more clearly.)
package NDBM_File;
-use strict;
+BEGIN {
+ if ($] >= 5.002) {
+ use strict;
+ }
+}
use vars qw($VERSION @ISA);
require Tie::Hash;