vala: add license info

Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/vala/vala.mk

@@ -9,6 +9,8 @@ VALA_VERSION_MINOR = 1
 VALA_VERSION = $(VALA_VERSION_MAJOR).$(VALA_VERSION_MINOR)
 VALA_SITE = http://download.gnome.org/sources/vala/$(VALA_VERSION_MAJOR)
 VALA_SOURCE = vala-$(VALA_VERSION).tar.xz
+VALA_LICENSE = LGPLv2.1+
+VALA_LICENSE_FILES = COPYING
 
 VALA_DEPENDENCIES = host-flex host-bison libglib2 \
 		$(if $(BR2_NEEDS_GETTEXT_IF_LOCALE),gettext)