Add clean target for data/ so make clean works again

diff --git a/data/Makefile b/data/Makefile
index bc57d23..0d57e96 100644 (file)
--- a/data/Makefile
+++ b/data/Makefile
@@ -16,6 +16,8 @@ cursor_images =                                       \
 
 all :
 
+clean :
+
 install :
        install -d $(datadir)/wayland
        install $(cursor_images) $(datadir)/wayland