Add comment for "is_internal" parameter

This was missed in my commit f4c4335 of 9.3 vintage, so backpatch to
that.

diff --git a/src/backend/catalog/heap.c b/src/backend/catalog/heap.c
index 17f7266ed437ff191df7e7cb2b6581163365dc62..1a64436d90d11192787e3f996c28245a41b139a3 100644 (file)
--- a/src/backend/catalog/heap.c
+++ b/src/backend/catalog/heap.c
@@ -1004,6 +1004,7 @@ AddNewRelationType(const char *typeName,
  * use_user_acl: TRUE if should look for user-defined default permissions;
  *     if FALSE, relacl is always set NULL
  * allow_system_table_mods: TRUE to allow creation in system namespaces
+ * is_internal: is this a system-generated catalog?
  *
  * Returns the OID of the new relation
  * --------------------------------