- fixed syntax errors on PostgreSQL 8.2 when returning "return" without...

- fixed syntax errors on PostgreSQL 8.2 when returning "return" without argument in an returns integer function

sql/postgresql/workflow-package-body.sql

@@ -287,7 +287,7 @@ begin
 
 	if not found then
 		/* already at top of sort order */
-		return;
+		return 0;
 	end if;
 
 	/* switch the sort orders around */
@@ -323,7 +323,7 @@ begin
 
 	if not found then
 		/* already at bottom of sort order */
-	return;
+		return 0;
 	end if;
 
 	/* switch the sort orders around */