[gtk+/gtk-3-10] Fix distcheck

[Matthias Clasen <matthiasc src gnome org>]

commit 9ee757cf05d25dd185959db293c352aee5914604
Author: Matthias Clasen <mclasen redhat com>
Date:   Sat Apr 5 22:24:44 2014 -0400

    Fix distcheck

 gdk/wayland/Makefile.am |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/gdk/wayland/Makefile.am b/gdk/wayland/Makefile.am
index 488ad67..6aff55e 100644
--- a/gdk/wayland/Makefile.am
+++ b/gdk/wayland/Makefile.am
@@ -23,6 +23,10 @@ BUILT_SOURCES =                              \
        gtk-shell-client-protocol.h             \
        gtk-shell-protocol.c
 
+DISTCLEANFILES =                               \
+       gtk-shell-client-protocol.h             \
+       gtk-shell-protocol.c
+
 nodist_libgdk_wayland_la_SOURCES =             \
        $(BUILT_SOURCES)