Clean-up warnings

Fixed the following warnings:

- empty expression statement has no effect; remove unnecessary ';'
- use of old-style cast
- zero as null pointer constant
- other minor things

Change-Id: Ia672f48d2aa87c59354fc93fd19862f1875e13db
Reviewed-by: Brett Stottlemyer <bstottle@ford.com>
Reviewed-by: Mårten Nordheim <marten.nordheim@qt.io>

3 files changed, 5 insertions, 5 deletions

diff --git a/examples/remoteobjects/plugins/plugin.cpp b/examples/remoteobjects/plugins/plugin.cpp
index 5ee35af..bddab06 100644
--- a/examples/remoteobjects/plugins/plugin.cpp
+++ b/examples/remoteobjects/plugins/plugin.cpp
@@ -63,7 +63,7 @@
 // that change on-the-minute yet efficiently sleep the rest
 // of the time.
 
-QRemoteObjectNode m_client;
+static QRemoteObjectNode m_client;
 
 class TimeModel : public QObject
 {
@@ -122,8 +122,8 @@ class QExampleQmlPlugin : public QQmlExtensionPlugin
 public:
     void initializeEngine(QQmlEngine *engine, const char *uri) override
     {
-        Q_UNUSED(engine);
-        Q_UNUSED(uri);
+        Q_UNUSED(engine)
+        Q_UNUSED(uri)
         Q_ASSERT(uri == QLatin1String("TimeExample"));
         engine->addImportPath(QStringLiteral("qrc:/qml"));
         m_client.setRegistryUrl(QUrl(QStringLiteral("local:registry")));
diff --git a/examples/remoteobjects/server/main.cpp b/examples/remoteobjects/server/main.cpp
index 10816aa..7eaab06 100644
--- a/examples/remoteobjects/server/main.cpp
+++ b/examples/remoteobjects/server/main.cpp
@@ -99,6 +99,6 @@ int main(int argc, char *argv[])
     MinuteTimer timer;
     node2.enableRemoting(&timer);
 
-    Q_UNUSED(timer);
+    Q_UNUSED(timer)
     return app.exec();
 }
diff --git a/examples/remoteobjects/ssl/sslserver/main.cpp b/examples/remoteobjects/ssl/sslserver/main.cpp
index 6c7b8d6..73ec70e 100644
--- a/examples/remoteobjects/ssl/sslserver/main.cpp
+++ b/examples/remoteobjects/ssl/sslserver/main.cpp
@@ -135,7 +135,7 @@ int main(int argc, char *argv[])
     MinuteTimer timer;
     host.enableRemoting(&timer);
 
-    Q_UNUSED(timer);
+    Q_UNUSED(timer)
     return app.exec();
 }