[gtk+] Fix distcheck

[Matthias Clasen <matthiasc src gnome org>]

commit f90f84bbc33433f53aa574d29eaf897abc930f8c
Author: Matthias Clasen <mclasen redhat com>
Date:   Mon Feb 21 18:34:09 2011 -0500

    Fix distcheck

 modules/other/gail/Makefile.am |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/modules/other/gail/Makefile.am b/modules/other/gail/Makefile.am
index 0a8bcc3..789c38e 100644
--- a/modules/other/gail/Makefile.am
+++ b/modules/other/gail/Makefile.am
@@ -85,6 +85,7 @@ gail_private_h_sources =		\
 	gailimage.h			\
 	gailimagecell.h			\
 	gaillabel.h			\
+	gaillinkbutton.h		\
 	gailmenu.h			\
 	gailmenushell.h			\
 	gailmenuitem.h			\