radvd: bump to version 1.14

This bump reverts e92fb1f90f1b51cd111105d86c058fdca6f3434a (radvd: fix
build against older glibc) since Gustavo has contributed a fix
upstream, which was merged in the 1.14 release of radvd.

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/radvd/radvd.mk

@@ -4,12 +4,10 @@
 #
 ################################################################################
 
-RADVD_VERSION = 1.13
+RADVD_VERSION = 1.14
 RADVD_SOURCE = radvd-$(RADVD_VERSION).tar.xz
 RADVD_SITE = http://www.litech.org/radvd/dist
 RADVD_DEPENDENCIES = host-bison flex libdaemon host-flex host-pkgconf
-# clock_gettime() requires -lrt when linking against glibc older than 2.17
-RADVD_CONF_ENV = LIBS=-lrt
 
 define RADVD_INSTALL_INITSCRIPT
 	$(INSTALL) -m 0755 package/radvd/S50radvd $(TARGET_DIR)/etc/init.d