[gtk+/wip/matthiasc/monitor] x11: Fix include guards in gdkx11monitor.h

[Matthias Clasen <matthiasc src gnome org>]

commit df589e3cf67c7ef10d531f89f3790c8bb81783a1
Author: Matthias Clasen <mclasen redhat com>
Date:   Wed Apr 6 07:24:55 2016 -0400

    x11: Fix include guards in gdkx11monitor.h

 gdk/x11/gdkx11monitor.h |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/gdk/x11/gdkx11monitor.h b/gdk/x11/gdkx11monitor.h
index a9d1b54..98717e8 100644
--- a/gdk/x11/gdkx11monitor.h
+++ b/gdk/x11/gdkx11monitor.h
@@ -22,8 +22,8 @@
 #ifndef __GDK_X11_MONITOR_H__
 #define __GDK_X11_MONITOR_H__
 
-#if !defined (__GDK_H_INSIDE__) && !defined (GDK_COMPILATION)
-#error "Only <gdk/gdk.h> can be included directly."
+#if !defined (__GDKX_H_INSIDE__) && !defined (GDK_COMPILATION)
+#error "Only <gdk/gdkx.h> can be included directly."
 #endif
 
 #include <gdk/gdkmonitor.h>