Fix uninitialized variable in abstract_query2str_impl

Because abstract_query2str_impl can be called without the depth
parameter, it is easy to end up in a situation where you are getting
lots of warnings, and not getting group end markers.

Signed-off-by: Jared Camins-Esakov <jcamins@cpbibliography.com>

diff --git a/Open-ILS/src/perlmods/lib/OpenILS/Application/Storage/QueryParser.pm b/Open-ILS/src/perlmods/lib/OpenILS/Application/Storage/QueryParser.pm
index 7ee0402..3afb9d7 100644 (file)
--- a/Open-ILS/src/perlmods/lib/OpenILS/Application/Storage/QueryParser.pm
+++ b/Open-ILS/src/perlmods/lib/OpenILS/Application/Storage/QueryParser.pm
@@ -883,6 +883,7 @@ sub _abstract_query2str_modifier {
 # abstract_query.
 sub abstract_query2str_impl {
     my ($abstract_query, $depth) = @_;
+    $depth |= 0;
 
     my $qpconfig = $parser_config{QueryParser};