[metacity] metacity-window-demo: add warn cflags

[Alberts Muktupāvels <muktupavels src gnome org>]

commit d097dd205d2425578588be93bcf641ecf9ffed96
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Wed Oct 26 01:19:01 2016 +0300

    metacity-window-demo: add warn cflags

 src/tools/Makefile.am |    7 ++++++-
 1 files changed, 6 insertions(+), 1 deletions(-)
---
diff --git a/src/tools/Makefile.am b/src/tools/Makefile.am
index c6b1a76..24555fc 100644
--- a/src/tools/Makefile.am
+++ b/src/tools/Makefile.am
@@ -1,9 +1,14 @@
+NULL =
+
 icondir=$(pkgdatadir)/icons
 icon_DATA=metacity-window-demo.png
 
 AM_CPPFLAGS=@METACITY_WINDOW_DEMO_CFLAGS@ @METACITY_MESSAGE_CFLAGS@ \
        -DMETACITY_ICON_DIR=\"$(pkgdatadir)/icons\" \
-       -DMETACITY_LOCALEDIR=\""$(localedir)"\"
+       -DMETACITY_LOCALEDIR=\""$(localedir)"\" \
+       $(WARN_CFLAGS) \
+       $(AM_CFLAGS) \
+       $(NULL)
 
 metacity_message_SOURCES=                              \
        metacity-message.c