PingPong example: let the parent QObject do the cleanup

The m_timer and m_serverInfo instances are created using 'this' as a
parent, so we do not need to explicitly delete them in the destructor,
but let the parent object deal with them.
This also prevents a crash at application close.

Change-Id: If91f01e1ab6dc8e839a06773464eeb9858d2fd36
Reviewed-by: Juha Vuolle <juha.vuolle@insta.fi>
Reviewed-by: Alex Blasche <alexander.blasche@qt.io>
(cherry picked from commit 4d2df2461f304eb7e1db5030e1c63d17bc2bac85)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>

1 files changed, 1 insertions, 2 deletions

diff --git a/examples/bluetooth/pingpong/pingpong.cpp b/examples/bluetooth/pingpong/pingpong.cpp
index f21a57ac..43575344 100644
--- a/examples/bluetooth/pingpong/pingpong.cpp
+++ b/examples/bluetooth/pingpong/pingpong.cpp
@@ -64,8 +64,7 @@ PingPong::PingPong():
 
 PingPong::~PingPong()
 {
-    delete m_timer;
-    delete m_serverInfo;
+    m_timer->stop();
     delete socket;
     delete discoveryAgent;
 }