Log Message:
SDL2: Update to 2.0.22

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2.0.22:
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General:

* Added SDL_RenderGetWindow() to get the window associated with a renderer
* Added floating point rectangle functions:
    * SDL_PointInFRect()
    * SDL_FRectEmpty()
    * SDL_FRectEquals()
    * SDL_FRectEqualsEpsilon()
    * SDL_HasIntersectionF()
    * SDL_IntersectFRect()
    * SDL_UnionFRect()
    * SDL_EncloseFPoints()
    * SDL_IntersectFRectAndLine()
* Added SDL_IsTextInputShown() which returns whether the IME window is
  currently shown
* Added SDL_ClearComposition() to dismiss the composition window without
  disabling IME input
* Added SDL_TEXTEDITING_EXT event for handling long composition text, and
  a hint SDL_HINT_IME_SUPPORT_EXTENDED_TEXT to enable it
* Added the hint SDL_HINT_MOUSE_RELATIVE_MODE_CENTER to control whether the
  mouse should be constrained to the whole window or the center of the window
  when relative mode is enabled
* The mouse is now automatically captured when mouse buttons are pressed,
  and the hint SDL_HINT_MOUSE_AUTO_CAPTURE allows you to control this behavior
* Added the hint SDL_HINT_VIDEO_FOREIGN_WINDOW_OPENGL to let SDL know that
  a foreign window will be used with OpenGL
* Added the hint SDL_HINT_VIDEO_FOREIGN_WINDOW_VULKAN to let SDL know that
  a foreign window will be used with Vulkan
* Added the hint SDL_HINT_QUIT_ON_LAST_WINDOW_CLOSE to specify whether an
  SDL_QUIT event will be delivered when the last application window is closed
* Added the hint SDL_HINT_JOYSTICK_ROG_CHAKRAM to control whether ROG Chakram
  mice show up as joysticks

Linux:

* Compiling with Wayland support requires libwayland-client version 1.18.0
  or later
* Added the hint SDL_HINT_X11_WINDOW_TYPE to specify the _NET_WM_WINDOW_TYPE
  of SDL windows
* Added the hint SDL_HINT_VIDEO_WAYLAND_PREFER_LIBDECOR to allow using
  libdecor with compositors that support xdg-decoration