netsnmp: define license

Signed-off-by: Luca Ceresoli <luca@lucaceresoli.net>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/netsnmp/netsnmp.mk

@@ -7,6 +7,8 @@
 NETSNMP_VERSION = 5.7.1
 NETSNMP_SITE = http://$(BR2_SOURCEFORGE_MIRROR).dl.sourceforge.net/sourceforge/net-snmp
 NETSNMP_SOURCE = net-snmp-$(NETSNMP_VERSION).tar.gz
+NETSNMP_LICENSE = Various BSD-like
+NETSNMP_LICENSE_FILES = COPYING
 NETSNMP_INSTALL_STAGING = YES
 NETSNMP_CONF_ENV = ac_cv_NETSNMP_CAN_USE_SYSCTL=yes
 NETSNMP_CONF_OPT = --with-persistent-directory=/var/lib/snmp --disable-static \