[RFC PATCH v3 60/78] qga: 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>
---
 qga/main.c                  | 2 +-
 qga/vss-win32/requester.cpp | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/qga/main.c b/qga/main.c
index 8668b9f3d3..40471e8a0b 100644
--- a/qga/main.c
+++ b/qga/main.c
@@ -663,7 +663,7 @@ static gboolean channel_event_cb(GIOCondition condition, 
gpointer data)
         if (!s->virtio) {
             return false;
         }
-        /* fall through */
+        fallthrough;
     case G_IO_STATUS_AGAIN:
         /* virtio causes us to spin here when no process is attached to
          * host-side chardev. sleep a bit to mitigate this
diff --git a/qga/vss-win32/requester.cpp b/qga/vss-win32/requester.cpp
index 9884c65e70..36fa4fdf28 100644
--- a/qga/vss-win32/requester.cpp
+++ b/qga/vss-win32/requester.cpp
@@ -611,6 +611,7 @@ void requester_thaw(int *num_vols, void *mountpints, 
ErrorSet *errset)
             break;
         }
         /* fall through if hEventTimeout is signaled */
+        fallthrough;
 
     case (HRESULT)VSS_E_HOLD_WRITES_TIMEOUT:
         err_set(errset, hr, "couldn't hold writes: "
-- 
2.39.2