[Koha-patches] [PATCH] [SIGNED-OFF] 3341: Fines calculation erroneous when a repeatable holiday is added

[Marcel de Rooy]

From: Frédérick Capovilla <frederick.capovilla at sys-tech.net>

Signed-off-by: Marcel de Rooy <m.de.rooy at rijksmuseum.nl>
---
 C4/Overdues.pm |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/C4/Overdues.pm b/C4/Overdues.pm
index adba979..b5e3cdf 100644
--- a/C4/Overdues.pm
+++ b/C4/Overdues.pm
@@ -488,12 +488,12 @@ sub UpdateFine {
 
     if ( my $data = $sth->fetchrow_hashref ) {
 
-		# we're updating an existing fine.  Only modify if we're adding to the charge.
+		# we're updating an existing fine.  Only modify if amount changed
         # Note that in the current implementation, you cannot pay against an accruing fine
         # (i.e. , of accounttype 'FU').  Doing so will break accrual.
     	if ( $data->{'amount'} != $amount ) {
             my $diff = $amount - $data->{'amount'};
-            $diff = 0 if ( $data->{amount} > $amount);
+	    #3341: diff could be positive or negative!
             my $out  = $data->{'amountoutstanding'} + $diff;
             my $query = "
                 UPDATE accountlines
-- 
1.6.0.6