[RFC PATCH v3 17/78] ui/sdl2.c: add fallthrough pseudo-keyword

[Emmanouil Pitsidianakis]

In preparation of raising -Wimplicit-fallthrough to 5, replace all
fall-through comments with the fallthrough attribute pseudo-keyword.

Signed-off-by: Emmanouil Pitsidianakis <manos.pitsidianakis@linaro.org>
---
 ui/sdl2.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ui/sdl2.c b/ui/sdl2.c
index fbfdb64e90..3d157a14aa 100644
--- a/ui/sdl2.c
+++ b/ui/sdl2.c
@@ -601,7 +601,7 @@ static void handle_windowevent(SDL_Event *ev)
         if (qemu_console_is_graphic(scon->dcl.con)) {
             win32_kbd_set_window(sdl2_win32_get_hwnd(scon));
         }
-        /* fall through */
+        fallthrough;
     case SDL_WINDOWEVENT_ENTER:
         if (!gui_grab && (qemu_input_is_absolute(scon->dcl.con) || 
absolute_enabled)) {
             absolute_mouse_grab(scon);
-- 
2.39.2