Fixed leaking of prepared statements. JM-586

git-svn-id: http://svn.igniterealtime.org/svn/repos/wildfire/trunk@3524 b35dd754-fafc-0310-a699-88a17e54d16e

src/java/org/jivesoftware/wildfire/roster/RosterItemProvider.java

@@ -318,6 +318,8 @@ public class RosterItemProvider {
                 }
                 // Close the result set
                 rs.close();
+                // Close the prepared statement
+                pstmt.close();
             }
         }
         catch (SQLException e) {