protect against no holdings (huh?)

git-svn-id: svn://svn.open-ils.org/ILS/trunk@6565 dcc99617-32d9-48b4-a31d-7c20da2025e4

diff --git a/Open-ILS/src/perlmods/OpenILS/WWW/SuperCat/Feed.pm b/Open-ILS/src/perlmods/OpenILS/WWW/SuperCat/Feed.pm
index 81b5dec..04c4925 100644 (file)
--- a/Open-ILS/src/perlmods/OpenILS/WWW/SuperCat/Feed.pm
+++ b/Open-ILS/src/perlmods/OpenILS/WWW/SuperCat/Feed.pm
@@ -166,6 +166,8 @@ sub add_holdings {
        my $self = shift;
        my $holdings_xml = shift;
 
+       return $self unless ($holdings_xml);
+
        $parser = new XML::LibXML if (!$parser);
        my $new_doc = $parser->parse_string($holdings_xml);