Log Message:
webkit-gtk: Update to 2.24.1

Changes:
WebKitGTK  2.24.1
=================
 - Do not allow changes in active URI before provisional load starts for non-API \ 
requests.
 - Stop the threaded compositor when the page is not visible or layer tree state \ 
is frozen.
 - Use WebKit HTTP source element again for adaptive streaming fragments downloading.
 - Properly handle empty resources in webkit_web_resource_get_data().
 - Add quirk to ensure outlook.live.com uses the modern UI.
 - Fix methods returing GObject or boxed types in JavaScriptCore GLib API.
 - Ensure callback data is passed to functions and constructors with no \ 
parameters in JavaScriptCore GLib API.
 - Fix rendering of complex text when the font uses x,y origins.
 - Fix sound loop with Google Hangouts and WhatsApp notifications.
 - Fix the build with GStreamer 1.12.5 and GST GL enabled.
 - Detect SSE2 at compile time.
 - Fix several crashes and rendering issues.
 - Security fixes: CVE-2019-6251.