Fix minor issues found in testing

Change-Id: If40f10043951409b3d6597776b60d7eb55c73eec
Reviewed-by: Mika Salmela <mika.salmela@digia.com>
Reviewed-by: Tomi Korpipää <tomi.korpipaa@digia.com>

examples/datavisualization/volumetric/volumetric.cpp

@@ -42,7 +42,7 @@ const int mineShaftDiameter(1);
 const int airColorIndex(254);
 const int mineShaftColorIndex(255);
 const int layerColorThickness(60);
-const int heightToColorDiv(128);
+const int heightToColorDiv(140);
 const int magmaColorsMin(0);
 const int magmaColorsMax(layerColorThickness);
 const int aboveWaterGroundColorsMin(magmaColorsMax + 1);

src/datavisualization/utils/texturehelper.cpp

@@ -45,6 +45,9 @@ TextureHelper::TextureHelper()
 
 TextureHelper::~TextureHelper()
 {
+#if !defined(QT_OPENGL_ES_2)
+    delete m_openGlFunctions_2_1;
+#endif
 }
 
 GLuint TextureHelper::create2DTexture(const QImage &image, bool useTrilinearFiltering,

tests/barstest/main.cpp

@@ -236,7 +236,7 @@ int main(int argc, char **argv)
 
     QCheckBox *inputHandlerZoomAtTargetCheckBox = new QCheckBox(widget);
     inputHandlerZoomAtTargetCheckBox->setText("IH: setZoomAtTarget");
-    inputHandlerZoomAtTargetCheckBox->setChecked(false);
+    inputHandlerZoomAtTargetCheckBox->setChecked(true);
 
     QSlider *rotationSliderX = new QSlider(Qt::Horizontal, widget);
     rotationSliderX->setTickInterval(1);