Update src/waveform/renderers/allshader/waveformrenderersimple.cpp

float postfix

Co-authored-by: Antoine Colombier <7086688+acolombier@users.noreply.github.com>

Author: m0dB

src/waveform/renderers/allshader/waveformrenderersimple.cpp

@@ -62,7 +62,7 @@ bool WaveformRendererSimple::preprocessInner() {
     const int length = static_cast<int>(m_waveformRenderer->getLength());
     const int pixelLength = static_cast<int>(m_waveformRenderer->getLength() * devicePixelRatio);
     const float invDevicePixelRatio = 1.f / devicePixelRatio;
-    const float halfPixelSize = 0.5 / devicePixelRatio;
+    const float halfPixelSize = 0.5f / devicePixelRatio;
 
     // Note that waveform refers to the visual waveform, not to audio samples.
     //