bind: add license information

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

package/bind/bind.mk

@@ -7,6 +7,8 @@
 BIND_VERSION = 9.6-ESV-R8
 BIND_SITE = ftp://ftp.isc.org/isc/bind9/$(BIND_VERSION)
 BIND_MAKE = $(MAKE1)
+BIND_LICENSE = ISC
+BIND_LICENSE_FILES = COPYRIGHT
 BIND_TARGET_SBINS = lwresd named named-checkconf named-checkzone
 BIND_TARGET_SBINS += named-compilezone rndc rndc-confgen dnssec-dsfromkey
 BIND_TARGET_SBINS += dnssec-keyfromlabel dnssec-keygen dnssec-signzone