Fixed the brush initialization.

The brushes are now initialized as solid colored, in order to fix drawing
problems.

src/core/track.cpp

@@ -847,7 +847,9 @@ void trackContentObjectView::setAutoResizeEnabled( bool _e )
  */
 trackContentWidget::trackContentWidget( trackView * _parent ) :
 	QWidget( _parent ),
-	m_trackView( _parent )
+	m_trackView( _parent ),
+	m_darkerColor( Qt::SolidPattern ),
+	m_lighterColor( Qt::SolidPattern )
 {
 	setAcceptDrops( true );
 

src/gui/AutomationEditor.cpp

@@ -98,9 +98,9 @@ AutomationEditor::AutomationEditor() :
 	m_editMode( DRAW ),
 	m_scrollBack( FALSE ),
 	m_gridColor( 0,0,0 ),
-	m_graphColor(),
+	m_graphColor( Qt::SolidPattern ),
 	m_vertexColor( 0,0,0 ),
-	m_scaleColor()
+	m_scaleColor( Qt::SolidPattern )
 {
 	connect( this, SIGNAL( currentPatternChanged() ),
 				this, SLOT( updateAfterPatternChange() ),