Log Message:
gtk3: updated to 3.24.3

Overview of Changes in GTK+ 3.24.3

* Bugs fixed:
 wayland: Respect length limits in text protocol
 wayland: Support key themes
 wayland: Fix hi-dpi cursor scaling
 quartz: Make point-to-pixel conversions work on all versions
 quartz: Re-add support for hidpi scaling
 quartz: Fix search engine integration
 win32: Fix ime change hangling
 placessidebar: Insert drops in the right place
 x11: Fix problems gdk_x11_get_parent_relative
 x11: Fix Wacom tool types
 icons: Recolor polygons as well in symbolic icons
 switch: Use Unicode symbols for I/O instead of translations

* Translation updates:
 Japanese