package/traceroute: bump to version 2.1.6

For change log since 2.1.3, see:
https://sourceforge.net/projects/traceroute/files/traceroute/traceroute%202.1.4/
https://sourceforge.net/projects/traceroute/files/traceroute/traceroute%202.1.5/
https://sourceforge.net/projects/traceroute/files/traceroute/traceroute%202.1.6/

Signed-off-by: Kadambini Nema <kadambini.nema@gmail.com>
[Julien: add links to change logs]
Signed-off-by: Julien Olivain <ju.o@free.fr>

package/traceroute/traceroute.hash

@@ -1,5 +1,5 @@
 # Locally computed:
-sha256  05ebc7aba28a9100f9bbae54ceecbf75c82ccf46bdfce8b5d64806459a7e0412  traceroute-2.1.3.tar.gz
+sha256  9ccef9cdb9d7a98ff7fbf93f79ebd0e48881664b525c4b232a0fcec7dcb9db5e  traceroute-2.1.6.tar.gz
 
 # Hash for license files:
 sha256  8177f97513213526df2cf6184d8ff986c675afb514d4e68a404010521b880643  COPYING

package/traceroute/traceroute.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-TRACEROUTE_VERSION = 2.1.3
+TRACEROUTE_VERSION = 2.1.6
 TRACEROUTE_SITE = http://downloads.sourceforge.net/traceroute/traceroute/traceroute-$(TRACEROUTE_VERSION)
 
 TRACEROUTE_LICENSE = GPL-2.0+, LGPL-2.1+