Qt: playlist look fixes

- setContentMargin is the same on all platforms
- color fixes on Linux

modules/gui/qt4/components/playlist/playlist.cpp

@@ -47,11 +47,8 @@
 PlaylistWidget::PlaylistWidget( intf_thread_t *_p_i, QWidget *_par )
                : QWidget( _par ), p_intf ( _p_i )
 {
-#ifndef Q_WS_MAC
-    setContentsMargins( 3, 3, 3, 3 );
-#else
+
     setContentsMargins( 0, 3, 0, 3 );
-#endif
 
     QGridLayout *layout = new QGridLayout( this );
 

modules/gui/qt4/components/playlist/selector.cpp

@@ -141,8 +141,8 @@ PLSelector::PLSelector( QWidget *p, intf_thread_t *_p_intf )
     /* select the first item */
 //  view->setCurrentIndex( model->index( 0, 0, QModelIndex() ) );
 
-    setAutoFillBackground( true );
 #ifdef Q_WS_MAC
+    setAutoFillBackground( true );
     QPalette palette;
     palette.setColor( QPalette::Window, QColor(209,215,226) );
     setPalette( palette );