[tracker] rasqal: Fix rasqal_query_get_variable

[Jürg Billeter <juergbi src gnome org>]

commit 50ce1a132b5767bae75289d91268b37b359bcdad
Author: Jürg Billeter <j bitron ch>
Date:   Wed Dec 10 15:32:09 2008 +0100

    rasqal: Fix rasqal_query_get_variable
---
 src/rasqal/rasqal_query.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/rasqal/rasqal_query.c b/src/rasqal/rasqal_query.c
index 65f1ad6..b4f00c2 100644
--- a/src/rasqal/rasqal_query.c
+++ b/src/rasqal/rasqal_query.c
@@ -795,10 +795,10 @@ rasqal_query_get_all_variable_sequence(rasqal_query* query)
 rasqal_variable*
 rasqal_query_get_variable(rasqal_query* query, int idx)
 {
-  if(!query->selects || idx < 0 || idx > query->select_variables_count)
+  if(!query->selects || idx < 0 || idx >= query->select_variables_count)
     return NULL;
   
-  return rasqal_variables_table_get(query->vars_table, idx);
+  return (rasqal_variable*)raptor_sequence_get_at(query->selects, idx);
 }