diff -up pflogsumm-1.1.3/pflogsumm.pl.datecalc pflogsumm-1.1.3/pflogsumm.pl

--- pflogsumm-1.1.3/pflogsumm.pl.datecalc	2010-03-20 21:00:42.000000000 +0100

+++ pflogsumm-1.1.3/pflogsumm.pl	2010-06-10 15:57:27.000000000 +0200

@@ -400,8 +400,8 @@ Copyright (C) 1998-2010 by James S. Seym

 use strict;

 use locale;

 use Getopt::Long;

-eval { require Date::Calc };

-my $hasDateCalc = $@ ? 0 : 1;

+require Date::Calc;

+my $hasDateCalc = 1;

 my $mailqCmd = "mailq";

 my $release = "1.1.3";