Project.h does not need Meter.h

src/Project.cpp

@@ -50,6 +50,7 @@ scroll information.  It also has some status flags.
 *//*******************************************************************/
 
 #include "Audacity.h"
+#include "Project.h"
 
 #include <stdio.h>
 #include <iostream>
@@ -90,8 +91,6 @@ scroll information.  It also has some status flags.
 #endif
 #endif
 
-#include "Project.h"
-
 #include "FreqWindow.h"
 #include "effects/Contrast.h"
 #include "AutoRecovery.h"

src/Project.h

@@ -31,7 +31,6 @@
 #include "xml/XMLTagHandler.h"
 #include "toolbars/SelectionBarListener.h"
 #include "toolbars/SpectralSelectionBarListener.h"
-#include "widgets/Meter.h"
 
 #include <wx/defs.h>
 #include <wx/event.h>
@@ -63,6 +62,7 @@ class EffectPlugs;
 class TrackPanel;
 class FreqWindow;
 class ContrastDialog;
+class Meter;
 
 // toolbar classes
 class ControlToolBar;

src/prefs/SpectrumPrefs.cpp

@@ -26,6 +26,8 @@
 #include "../ShuttleGui.h"
 #include "../FFT.h"
 
+#include <algorithm>
+
 SpectrumPrefs::SpectrumPrefs(wxWindow * parent)
 :  PrefsPanel(parent, _("Spectrograms"))
 {