EqualizerSlider move include from .h to .cpp

src/widgets/equalizerslider.cpp

@@ -18,6 +18,8 @@
 #include "equalizerslider.h"
 #include "ui_equalizerslider.h"
 
+#include <QFontMetrics>
+
 EqualizerSlider::EqualizerSlider(const QString& label, QWidget* parent)
     : QWidget(parent), ui_(new Ui_EqualizerSlider) {
   ui_->setupUi(this);

src/widgets/equalizerslider.h

@@ -19,7 +19,6 @@
 #define EQUALISERSLIDER_H
 
 #include <QWidget>
-#include <QFontMetrics>
 
 class Ui_EqualizerSlider;