From 4819f61b7bcc32c68c76f4fe006f9b3605073ab0 Mon Sep 17 00:00:00 2001
From: Jonathan Druart <jonathan.druart@bugs.koha-community.org>
Date: Tue, 5 Jan 2016 09:39:32 +0000
Subject: [PATCH]  Bug 15466: Do not assume $values_in is a hashref
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It could be undefined.
Test plan:
prove t/db_dependent/Suggestions.t
should return green.

Signed-off-by: Marc Véron <veron@veron.ch>

Signed-off-by: Katrin Fischer <katrin.fischer.83@web.de>

Signed-off-by: Brendan A Gallagher <brendan@bywatersolutions.com>
(cherry picked from commit 8235cbb0d4b614beb69df2041bb10484e38f3ada)
Signed-off-by: Julian Maurice <julian.maurice@biblibre.com>
---
 C4/Letters.pm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/C4/Letters.pm b/C4/Letters.pm
index d07d33f997..67753dcbb1 100644
--- a/C4/Letters.pm
+++ b/C4/Letters.pm
@@ -801,7 +801,7 @@ sub _parseletter {
 
     # Work on a local copy of $values_in (passed by reference) to avoid side effects
     # in callers ( by changing / formatting values )
-    my $values = { %$values_in };
+    my $values = $values_in ? { %$values_in } : {};
 
     if ( $table eq 'borrowers' && $values->{'dateexpiry'} ){
         $values->{'dateexpiry'} = format_sqldatetime( $values->{'dateexpiry'} );
-- 
2.20.1