Minor coverity fixes

Author: nyalldawson

src/analysis/interpolation/LinTriangleInterpolator.h

@@ -49,6 +49,7 @@ class ANALYSIS_EXPORT LinTriangleInterpolator : public TriangleInterpolator
 };
 
 inline LinTriangleInterpolator::LinTriangleInterpolator()
+    : mTIN( 0 )
 {
 
 }

src/analysis/interpolation/ParametricLine.h

@@ -58,12 +58,12 @@ class ANALYSIS_EXPORT ParametricLine
 
 //-----------------------------------------constructors and destructor----------------------
 
-inline ParametricLine::ParametricLine() : mParent( 0 ), mControlPoly( 0 )
+inline ParametricLine::ParametricLine() : mDegree( 0 ), mParent( 0 ), mControlPoly( 0 )
 {
 
 }
 
-inline ParametricLine::ParametricLine( ParametricLine* par, QVector<Point3D*>* controlpoly ) : mParent( par ), mControlPoly( controlpoly )
+inline ParametricLine::ParametricLine( ParametricLine* par, QVector<Point3D*>* controlpoly ) : mDegree( 0 ), mParent( par ), mControlPoly( controlpoly )
 {
 
 }

src/core/symbology-ng/qgssymbolv2.cpp

@@ -874,9 +874,9 @@ QRectF QgsMarkerSymbolV2::bounds( const QPointF& point, QgsRenderContext& contex
   for ( QgsSymbolLayerV2List::const_iterator it = mLayers.constBegin(); it != mLayers.constEnd(); ++it )
   {
     if ( bound.isNull() )
-      bound = dynamic_cast< QgsMarkerSymbolLayerV2* >( *it )->bounds( point, symbolContext );
+      bound = static_cast< QgsMarkerSymbolLayerV2* >( *it )->bounds( point, symbolContext );
     else
-      bound = bound.united( dynamic_cast< QgsMarkerSymbolLayerV2* >( *it )->bounds( point, symbolContext ) );
+      bound = bound.united( static_cast< QgsMarkerSymbolLayerV2* >( *it )->bounds( point, symbolContext ) );
   }
   return bound;
 }

src/core/symbology-ng/qgsvectorfieldsymbollayer.cpp

@@ -237,7 +237,7 @@ QgsVectorFieldSymbolLayer* QgsVectorFieldSymbolLayer::clone() const
   {
     clonedLayer->setSubSymbol( mLineSymbol->clone() );
   }
-  return dynamic_cast< QgsVectorFieldSymbolLayer* >( clonedLayer );
+  return static_cast< QgsVectorFieldSymbolLayer* >( clonedLayer );
 }
 
 QgsStringMap QgsVectorFieldSymbolLayer::properties() const