[gtk+] gdk/Makefile.am: Dist gdkmonitorprivate.h

[Chun-wei Fan <fanchunwei src gnome org>]

commit ce0a7fa5606f865211e0a8da6b37bae2b12cda01
Author: Chun-wei Fan <fanchunwei src gnome org>
Date:   Mon May 9 15:42:37 2016 +0800

    gdk/Makefile.am: Dist gdkmonitorprivate.h
    
    This file needs to be distributed with the tarball as well...

 gdk/Makefile.am |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/gdk/Makefile.am b/gdk/Makefile.am
index 9f26228..16230cb 100644
--- a/gdk/Makefile.am
+++ b/gdk/Makefile.am
@@ -119,6 +119,7 @@ gdk_private_headers =                               \
        gdkframeclockidle.h                     \
        gdkframeclockprivate.h                  \
        gdkglcontextprivate.h                   \
+       gdkmonitorprivate.h                     \
        gdkscreenprivate.h                      \
        gdkseatprivate.h                        \
        gdkseatdefaultprivate.h                 \