Fix warnings-are-errors build

Add missing override specifier to QWinIoCompletionPort::run().

Pick-to: 6.2
Change-Id: Idcce9778b4602c708a78188df00e9893ebe00649
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>

1 files changed, 1 insertions, 1 deletions

diff --git a/src/serialport/qwinoverlappedionotifier.cpp b/src/serialport/qwinoverlappedionotifier.cpp
index 195eaac9..08561685 100644
--- a/src/serialport/qwinoverlappedionotifier.cpp
+++ b/src/serialport/qwinoverlappedionotifier.cpp
@@ -200,7 +200,7 @@ public:
     using QThread::isRunning;
 
 protected:
-    void run()
+    void run() override
     {
         DWORD dwBytesRead = 0;
         ULONG_PTR pulCompletionKey = 0;