Replace deprecated 'gdk_keyboard_ungrab' function

Submitted by OlivierDuchateau @OlivierDuchateau

Assigned to Xfce Bug Triage

Link to original bug (#16636)

Description

Created attachment 9673 Patch to replace gdk_keyboard_ungrab function

gdk_keyboard_ungrab() is deprecated since Gtk 3.0, the patch fixes this warning.

Patch 9673, "Patch to replace gdk_keyboard_ungrab function":
0001-Replace-deprecated-gdk_keyboard_ungrab-function.patch

Version: 4.15.2