missing includes

stepmania/src/ScreenDemonstration.cpp

@@ -10,6 +10,7 @@
 #include "GameSoundManager.h"
 #include "GameManager.h"
 #include "Style.h"
+#include "PrefsManager.h"
 
 
 #define SECONDS_TO_SHOW			THEME->GetMetricF(m_sName,"SecondsToShow")

stepmania/src/ScreenGameplayMultiplayer.cpp

@@ -13,6 +13,7 @@
 #include "ScoreDisplayPercentage.h"
 #include "ScoreDisplayNormal.h"
 #include "ScoreDisplayOni.h"
+#include "song.h"
 #include "Steps.h"
 #include "NoteDataUtil.h"
 #include "RageLog.h"
@@ -20,6 +21,7 @@
 #include "PlayerState.h"
 #include "InputMapper.h"
 #include "ActorUtil.h"
+#include "PrefsManager.h"
 
 //
 // Defines

stepmania/src/ScreenHowToPlay.cpp

@@ -17,6 +17,7 @@
 #include "PlayerState.h"
 #include "Style.h"
 #include "ActorUtil.h"
+#include "PrefsManager.h"
 
 static const ThemeMetric<CString>		STEPFILE			("ScreenHowToPlay","Stepfile");
 static const ThemeMetric<int>			NUM_PERFECTS		("ScreenHowToPlay","NumPerfects");

stepmania/src/ScreenHowToPlay.h

@@ -6,6 +6,7 @@
 #include "LifeMeterBar.h"
 #include "Character.h"
 #include "Model.h"
+#include "song.h"
 
 
 class ScreenHowToPlay : public ScreenAttract

stepmania/src/ScreenJukebox.cpp

@@ -17,6 +17,7 @@
 #include "PlayerState.h"
 #include "StatsManager.h"
 #include "CommonMetrics.h"
+#include "PrefsManager.h"
 
 #define SHOW_COURSE_MODIFIERS_PROBABILITY	THEME->GetMetricF(m_sName,"ShowCourseModifiersProbability")