fixed grass and browser coverity warnings

Author: blazek

src/app/qgsbrowserdockwidget.cpp

@@ -438,6 +438,7 @@ QgsBrowserDockWidget::QgsBrowserDockWidget( QString name, QWidget * parent ) :
     , mModel( 0 )
     , mProxyModel( 0 )
     , mPropertiesWidgetEnabled( false )
+    , mPropertiesWidgetHeight( 0 )
 {
   setupUi( this );
 

src/plugins/grass/qgsgrassbrowser.cpp

@@ -452,7 +452,7 @@ void QgsGrassBrowser::deleteMap()
       continue; // should not happen
     }
 
-    QgsGrassObject::Type mapType;
+    QgsGrassObject::Type mapType = QgsGrassObject::None;
     if ( type == QgsGrassModel::Raster )
       mapType = QgsGrassObject::Raster;
     else if ( type == QgsGrassModel::Vector )

src/providers/grass/qgsgrass.h

@@ -68,7 +68,7 @@ class GRASS_LIB_EXPORT QgsGrassObject
     //! Element type
     enum Type { None, Raster, Vector, Region };
 
-    QgsGrassObject() {}
+    QgsGrassObject() : mType( None ) {}
     QgsGrassObject( const QString& gisdbase, const QString& location = QString::null,
                     const QString& mapset = QString::null, const QString& name = QString::null,
                     Type type = None );

src/providers/grass/qgsgrassprovidermodule.cpp

@@ -234,7 +234,8 @@ void QgsGrassVectorItem::deleteGrassObject()
 QgsGrassVectorLayerItem::QgsGrassVectorLayerItem( QgsDataItem* parent, QgsGrassObject grassObject, QString layerName,
     QString path, QString uri,
     LayerType layerType, bool singleLayer )
-    : QgsGrassObjectItem( parent, grassObject, layerName, path, uri, layerType, "grass", singleLayer )
+    : QgsGrassObjectItem( parent, grassObject, layerName, path, uri, layerType, "grass" )
+    , mSingleLayer( singleLayer )
 {
 }