Log Message:
Update gtk3+ to 3.22.7

Overview of Changes in GTK+ 3.22.7
==================================

* Bugs fixed:
 165385 Win32 keyboard handling still incomplete
 769214 keyval field not filled correctly for Pause key
 769835 On Wayland, application containing GtkGLArea stops responding if it's not...
 774726 GtkTreeView dnd: gtk_drag_finish remove row when reorder sinse 3.20
 775846 gdk/wayland: Add support for the gtk-enable-primary-paste gsetting
 776031 W32: Winkey+down minimizes maximized window instead of restoring it
 776225 [wayland] dropdown placed somewhere in the screen
 776485 GDK W32: Impossible to restore maximized window via system menu
 776807 GtkInspector doesn't show up when Gtk is initialized through option group
 777031 win32 HiDPI assert
 777176 [wayland] gedit killed by protocol error "Invalid anchor rectangle \ 
size"

* Translation updates:
 Lithuanian