[Koha-patches] [PATCH] (bug #1578) fix a little error in code

From: Nahuel ANGELINETTI <nahuel.angelinetti at biblibre.com>

This one, fix the use of "or" instead of "||", else a warning is raised.

Signed-off-by: Galen Charlton <galen.charlton at liblime.com>
---
 C4/Biblio.pm |    8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/C4/Biblio.pm b/C4/Biblio.pm
index e071c18..684fed5 100644
--- a/C4/Biblio.pm
+++ b/C4/Biblio.pm
@@ -1132,10 +1132,10 @@ sub GetCOinSBiblio {
             }
         }
         $title      = "&amp;rft.btitle=".$record->subfield('245','a');
-        $pubyear    = $record->subfield('260','c') or "";
-        $publisher  = $record->subfield('260','b') or "";
-        $isbn       = $record->subfield('020','a') or "";
-        $issn       = $record->subfield('022','a') or "";
+        $pubyear    = $record->subfield("260","c") || "";
+        $publisher  = $record->subfield('260','b') || "";
+        $isbn       = $record->subfield('020','a') || "";
+        $issn       = $record->subfield('022','a') || "";
 
     }
     my $coins_value = "ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3A$mtx$genre$title&amp;rft.isbn=$isbn&amp;rft.issn=$issn&amp;rft.aulast=$aulast&amp;rft.aufirst=$aufirst$oauthors&amp;rft.pub=$publisher&amp;rft.date=$pubyear";
-- 
1.5.6.5