metacity: add license information

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/metacity/metacity.mk

@@ -9,6 +9,8 @@ METACITY_VERSION_MAJOR = 2.25
 METACITY_VERSION = $(METACITY_VERSION_MAJOR).1
 METACITY_SOURCE = metacity-$(METACITY_VERSION).tar.bz2
 METACITY_SITE = http://ftp.gnome.org/pub/gnome/sources/metacity/$(METACITY_VERSION_MAJOR)
+METACITY_LICENSE = GPLv2+
+METACITY_LICENSE_FILES = COPYING
 
 METACITY_CONF_OPT = --x-includes=$(STAGING_DIR)/usr/include/X11 \
 		--x-libraries=$(STAGING_DIR)/usr/lib \