Fix some compiler warnings.

As it turns out, we had an overloaded virtual from an earlier era,
with the extra parameter never used.  So cleaning that up was a
bonus to remove the compiler warning.

Change-Id: I780287f8a5d2b0a1ec84ec62c88ba50e051f372b
Reviewed-by: Jonas Rabbe <jonas.rabbe@nokia.com>

2 files changed, 2 insertions, 0 deletions

diff --git a/examples/spectrum/app/waveform.cpp b/examples/spectrum/app/waveform.cpp
index 420a01eb0..744c98063 100644
--- a/examples/spectrum/app/waveform.cpp
+++ b/examples/spectrum/app/waveform.cpp
@@ -393,6 +393,7 @@ void Waveform::paintTile(int index)
         const int offset = reinterpret_cast<const char*>(ptr) - m_buffer.constData();
         Q_ASSERT(offset >= 0);
         Q_ASSERT(offset < m_bufferLength);
+        Q_UNUSED(offset);
 
         const qint16 pcmValue = *ptr;
         const qreal realValue = pcmToReal(pcmValue);
diff --git a/examples/spectrum/app/wavfile.h b/examples/spectrum/app/wavfile.h
index cd4988d23..eb867241d 100644
--- a/examples/spectrum/app/wavfile.h
+++ b/examples/spectrum/app/wavfile.h
@@ -51,6 +51,7 @@ class WavFile : public QFile
 public:
     WavFile(QObject *parent = 0);
 
+    using QFile::open;
     bool open(const QString &fileName);
     const QAudioFormat &fileFormat() const;
     qint64 headerLength() const;