Some very minor Coverity related fixes

Author: nyalldawson

src/providers/ogr/qgsogrprovider.cpp

@@ -650,7 +650,6 @@ QStringList QgsOgrProvider::subLayers() const
       OGRFeatureH fet;
       while (( fet = OGR_L_GetNextFeature( layer ) ) )
       {
-        if ( !fet ) continue;
         OGRGeometryH geom = OGR_F_GetGeometryRef( fet );
         if ( geom )
         {
@@ -2502,7 +2501,6 @@ void QgsOgrProvider::recalculateFeatureCount()
     OGRFeatureH fet;
     while (( fet = OGR_L_GetNextFeature( ogrLayer ) ) )
     {
-      if ( !fet ) continue;
       OGRGeometryH geom = OGR_F_GetGeometryRef( fet );
       if ( geom )
       {

tests/qt_modeltest/modeltest.cpp

@@ -133,23 +133,23 @@ void ModelTest::nonDestructiveBasicTest()
   Qt::ItemFlags flags = model->flags( QModelIndex() );
   Q_ASSERT( flags == Qt::ItemIsDropEnabled || flags == 0 );
   ( void )model->hasChildren( QModelIndex() );
-  model->hasIndex( 0, 0 );
-  model->headerData( 0, Qt::Horizontal );
-  model->index( 0, 0 );
-  model->itemData( QModelIndex() );
+  ( void )model->hasIndex( 0, 0 );
+  ( void )model->headerData( 0, Qt::Horizontal );
+  ( void )model->index( 0, 0 );
+  ( void )model->itemData( QModelIndex() );
   QVariant cache;
-  model->match( QModelIndex(), -1, cache );
-  model->mimeTypes();
+  ( void )model->match( QModelIndex(), -1, cache );
+  ( void )model->mimeTypes();
   Q_ASSERT( model->parent( QModelIndex() ) == QModelIndex() );
   Q_ASSERT( model->rowCount() >= 0 );
   QVariant variant;
-  model->setData( QModelIndex(), variant, -1 );
-  model->setHeaderData( -1, Qt::Horizontal, QVariant() );
-  model->setHeaderData( 999999, Qt::Horizontal, QVariant() );
+  ( void )model->setData( QModelIndex(), variant, -1 );
+  ( void )model->setHeaderData( -1, Qt::Horizontal, QVariant() );
+  ( void )model->setHeaderData( 999999, Qt::Horizontal, QVariant() );
   QMap<int, QVariant> roles;
-  model->sibling( 0, 0, QModelIndex() );
-  model->span( QModelIndex() );
-  model->supportedDropActions();
+  ( void )model->sibling( 0, 0, QModelIndex() );
+  ( void )model->span( QModelIndex() );
+  ( void )model->supportedDropActions();
 }
 
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