Call InitResultRelInfo in ts_catalog_open_indexes

Because a new member was added to `ResulRelInfo` in 17.1, our
initialization of `resultRelInfo` in `ts_catalog_open_indexes` did not
work correctly. Instead with should call `InitResultRelInfo` with the
information.

src/ts_catalog/catalog.c

@@ -797,9 +797,8 @@ ts_catalog_open_indexes(Relation heapRel)
 	ResultRelInfo *resultRelInfo;
 
 	resultRelInfo = makeNode(ResultRelInfo);
-	resultRelInfo->ri_RangeTableIndex = 0; /* dummy */
-	resultRelInfo->ri_RelationDesc = heapRel;
-	resultRelInfo->ri_TrigDesc = NULL; /* we don't fire triggers */
+
+	InitResultRelInfo(resultRelInfo, heapRel, 0 /* dummy */, NULL, 0);
 
 	ExecOpenIndices(resultRelInfo, false);