[gtef] docs: fix build warning

[Sébastien Wilmet <swilmet src gnome org>]

commit 927b590ad38cdb3a1f4524447bc84cfa8e84aa1e
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Sun May 7 18:44:19 2017 +0200

    docs: fix build warning

 docs/reference/gtef-2.0-sections.txt |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/docs/reference/gtef-2.0-sections.txt b/docs/reference/gtef-2.0-sections.txt
index 1c669be..e1d8792 100644
--- a/docs/reference/gtef-2.0-sections.txt
+++ b/docs/reference/gtef-2.0-sections.txt
@@ -172,6 +172,7 @@ gtef_file_is_deleted
 gtef_file_is_readonly
 gtef_file_set_mount_operation_factory
 <SUBSECTION Standard>
+GtefFileClass
 GTEF_TYPE_FILE
 GTEF_TYPE_NEWLINE_TYPE
 GTEF_TYPE_COMPRESSION_TYPE