Qt: fix small quirk when adapting the equalizer values

(cherry picked from commit 1630833f20b595f6a594e71ab3c177705374d912)
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

modules/gui/qt4/components/extended_panels.cpp

@@ -911,9 +911,10 @@ Equalizer::Equalizer( intf_thread_t *_p_intf, QWidget *_parent ) :
         bands[i] = new QSlider( Qt::Vertical );
         bands[i]->setMaximum( 400 );
         bands[i]->setValue( 200 );
+        bands[i]->setMinimumWidth(34);
         CONNECT( bands[i], valueChanged( int ), this, setCoreBands() );
 
-        band_texts[i] = new QLabel( band_frequencies[i] + "\n0.0dB" );
+        band_texts[i] = new QLabel( band_frequencies[i] + "\n00.0dB" );
         band_texts[i]->setFont( smallFont );
 
         grid->addWidget( bands[i], 0, i );

modules/gui/qt4/ui/equalizer.ui

@@ -113,7 +113,7 @@
       <enum>Qt::Horizontal</enum>
      </property>
      <property name="sizeType">
-      <enum>QSizePolicy::Fixed</enum>
+      <enum>QSizePolicy::Preferred</enum>
      </property>
      <property name="sizeHint" stdset="0">
       <size>