Support C++17 fallthrough attribute

Replaces our mix of comments for annotating intended absence of break
in switches with the C++17 attribute [[fallthrough]], or its earlier
a clang extension counterpart.

Change-Id: I4b2d0b9b5e4425819c7f1bf01608093c536b6d14
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/src/network/access/qftp.cpp b/src/network/access/qftp.cpp
index 7b6f830333..52b9dd9169 100644
--- a/src/network/access/qftp.cpp
+++ b/src/network/access/qftp.cpp
@@ -1121,7 +1121,7 @@ bool QFtpPI::processReply()
         case Success:
             // success handling
             state = Idle;
-            // no break!
+            Q_FALLTHROUGH();
         case Idle:
             if (dtp.hasError()) {
                 emit error(QFtp::UnknownError, dtp.errorMessage());