need IO::File for older versions of perl

diff --git a/pm2pl b/pm2pl
index e581926208acd59db43b608dd3931a486c2fb6d7..c79a7ec5a3a33f649dbb461b0708c4cc1667ee2c 100755 (executable)
--- a/pm2pl
+++ b/pm2pl
@@ -1,6 +1,7 @@
 #!/usr/bin/env perl
 use strict;
 use Getopt::Long;
+use IO::File;
 
 my $usage = <<EOM;