clients/simple-egl: Port to xdg_shell unstable v6

Signed-off-by: Jonas Ådahl <jadahl@gmail.com>
Acked-by: Bryce Harrington <bryce@osg.samsung.com>
Acked-by: Pekka Paalanen <pekka.paalanen@collabora.co.uk>
Reviewed-by: Quentin Glidic <sardemff7+git@sardemff7.net>
diff --git a/Makefile.am b/Makefile.am
index 25e945d..a5b0536 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -565,8 +565,8 @@
 demo_clients += weston-simple-egl
 weston_simple_egl_SOURCES = clients/simple-egl.c
 nodist_weston_simple_egl_SOURCES =		\
-	protocol/xdg-shell-unstable-v5-protocol.c		\
-	protocol/xdg-shell-unstable-v5-client-protocol.h	\
+	protocol/xdg-shell-unstable-v6-protocol.c		\
+	protocol/xdg-shell-unstable-v6-client-protocol.h	\
 	protocol/ivi-application-protocol.c		\
 	protocol/ivi-application-client-protocol.h
 weston_simple_egl_CFLAGS = $(AM_CFLAGS) $(SIMPLE_EGL_CLIENT_CFLAGS)