package/wget: security bump to version 1.20.2

From NEWS:

* Changes in Wget 1.20.2
** Fixed a buffer overflow vulnerability

For more details, see the announcement:
https://lists.gnu.org/archive/html/info-gnu/2019-04/msg00000.html

Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/wget/wget.hash

@@ -1,6 +1,6 @@
 # Locally calculated after checking pgp signature
-# https://ftp.gnu.org/gnu/wget/wget-1.20.1.tar.lz.sig
+# https://ftp.gnu.org/gnu/wget/wget-1.20.2.tar.lz.sig
 # with key 1CB27DBC98614B2D5841646D08302DB6A2670428
-sha256 0f63e84dd23dc53ab3ab6f483c3afff8301e54c165783f772101cdd9b1c64928  wget-1.20.1.tar.lz
+sha256 84d3cbece8c08e130a8da0a72cf6e543a2adf58ca8ecf28726560b06243d4ce6  wget-1.20.2.tar.lz
 # Locally calculated
 sha256 e79e9c8a0c85d735ff98185918ec94ed7d175efc377012787aebcf3b80f0d90b  COPYING

package/wget/wget.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-WGET_VERSION = 1.20.1
+WGET_VERSION = 1.20.2
 WGET_SOURCE = wget-$(WGET_VERSION).tar.lz
 WGET_SITE = $(BR2_GNU_MIRROR)/wget
 WGET_DEPENDENCIES = host-pkgconf