Log Message:
Update gnome-sudoku to 3.24.0

Highlights:
* When pause is clicked, the game field should be hidden (Tom Pollok)
* Seed RNG for qqwing (Michael Catanzaro)
* Switch to C++ 11 (Michael Catanzaro)
* Fix window size growing out of control with GTK+ 3.20 (Michael Catanzaro)
* Always set header bar as the title bar (Michael Catanzaro)
* Updated translations