[RFC PATCH v3 77/78] tests/unit/test-char.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.pitsidiana...@linaro.org>
---
 tests/unit/test-char.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tests/unit/test-char.c b/tests/unit/test-char.c
index 649fdf64e1..6f5a2c4108 100644
--- a/tests/unit/test-char.c
+++ b/tests/unit/test-char.c
@@ -70,7 +70,7 @@ static void fe_event(void *opaque, QEMUChrEvent event)
             h->openclose_mismatch = true;
         }
         h->is_open = new_open_state;
-        /* fallthrough */
+        fallthrough;
     default:
         quit = true;
         break;
-- 
2.39.2