[gegl] sdl2-display: fix component order

[Øyvind "pippin" Kolås <ok src gnome org>]

commit ddacf40ed7855f66c288e6599cdd04a416d40c49
Author: Øyvind Kolås <pippin gimp org>
Date:   Sat Aug 29 22:55:19 2020 +0200

    sdl2-display: fix component order
    
    We are using the SDL2 pixel format SDL_PIXELFORMAT_RGBA32, which is
    endianness independent in RGBA order, wheras we were using BGRA.

 operations/external/sdl2-display.c | 8 +-------
 1 file changed, 1 insertion(+), 7 deletions(-)
---
diff --git a/operations/external/sdl2-display.c b/operations/external/sdl2-display.c
index a3bab50a5..a56542a43 100644
--- a/operations/external/sdl2-display.c
+++ b/operations/external/sdl2-display.c
@@ -151,13 +151,7 @@ process (GeglOperation       *operation,
   gegl_buffer_get (input,
        NULL,
        1.0,
-       babl_format_new (babl_model ("R'G'B'A"),
-                        babl_type ("u8"),
-                        babl_component ("B'"),
-                        babl_component ("G'"),
-                        babl_component ("R'"),
-                        babl_component ("A"),
-                        NULL),
+       babl_format ("R'G'B'A u8"),
        state->screen->pixels, GEGL_AUTO_ROWSTRIDE,
        GEGL_ABYSS_NONE);