Fix compilation errors on ubuntu

src/analyzers/baranalyzer.cpp

@@ -14,6 +14,7 @@
 #include "baranalyzer.h"
 #include <cmath>     //log10(), etc.
 #include <QtDebug>
+#include <QPainter>
 
 const char* BarAnalyzer::kName = QT_TRANSLATE_NOOP("AnalyzerContainer", "Bar analyzer");
 

src/analyzers/blockanalyzer.cpp

@@ -12,6 +12,7 @@
 #include <QMouseEvent>
 #include <QResizeEvent>
 #include <cstdlib>
+#include <QPainter>
 
 const uint BlockAnalyzer::HEIGHT      = 2;
 const uint BlockAnalyzer::WIDTH       = 4;

src/analyzers/boomanalyzer.cpp

@@ -3,6 +3,7 @@
 
 #include "boomanalyzer.h"
 #include <cmath>
+#include <QPainter>
 
 const char* BoomAnalyzer::kName = QT_TRANSLATE_NOOP("AnalyzerContainer", "Boom analyzer");
 

src/analyzers/sonogram.cpp

@@ -13,6 +13,8 @@
 
 #include "sonogram.h"
 
+#include <QPainter>
+
 const char* Sonogram::kName = QT_TRANSLATE_NOOP("AnalyzerContainer", "Sonogram");
 
 Sonogram::Sonogram(QWidget *parent) :

src/analyzers/turbine.cpp

@@ -8,6 +8,7 @@
 //
 
 #include <cmath>
+#include <QPainter>
 
 #include "turbine.h"