webkitgtk: bump to version 2.16.5

This simply updates to the latest stable release. WebKitGTK+ versions
in the 2.1x series avoid bumping the dependencies in order to allow
distributions to provide updates, therefore no new dependencies are
needed.

Signed-off-by: Adrian Perez de Castro <aperez@igalia.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
(cherry picked from commit 23c0872442e025dd2fc6f143c1bbce6a5a7c0964)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/webkitgtk/webkitgtk.hash

@@ -1,4 +1,4 @@
-# From http://www.webkitgtk.org/releases/webkitgtk-2.12.5.tar.xz.sha1
-sha1	2d73fd5b47c68c73aea8b3d7b88acc8e62bdb99c	webkitgtk-2.12.5.tar.xz
-# Calculated based on the hash above
-sha256	6b147854b864a5f115fadb97b2b6200b2f696db015216a34e7298d11c88b1c40	webkitgtk-2.12.5.tar.xz
+# From https://webkitgtk.org/releases/webkitgtk-2.16.5.tar.xz.sums
+md5 fce72dc89cd310a663d9eb97133861fe webkitgtk-2.16.5.tar.xz
+sha1 8052fda41b1b666f175baaac787c5cba39ed24a0 webkitgtk-2.16.5.tar.xz
+sha256 8e0396f3428e757898c5856e642eed4fcd5a20ae03d96d3eaa03b76634be7dd4 webkitgtk-2.16.5.tar.xz

package/webkitgtk/webkitgtk.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-WEBKITGTK_VERSION = 2.12.5
+WEBKITGTK_VERSION = 2.16.5
 WEBKITGTK_SITE = http://www.webkitgtk.org/releases
 WEBKITGTK_SOURCE = webkitgtk-$(WEBKITGTK_VERSION).tar.xz
 WEBKITGTK_INSTALL_STAGING = YES