fbdev: Remove trailing whitespaces

Fix coding style.

Signed-off-by: Thomas Zimmermann <[e-mail]>
Reviewed-by: Helge Deller <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]

drivers/video/fbdev/macmodes.c

···
 	case CMODE_8:
 	    var->bits_per_pixel = 8;
 	    var->red.offset = 0;
-	    var->red.length = 8;   
+	    var->red.length = 8;
 	    var->green.offset = 0;
 	    var->green.length = 8;
 	    var->blue.offset = 0;