fix goofy unlocks after reload songs

stepmania/src/SongManager.cpp

@@ -94,8 +94,9 @@ void SongManager::Reload( LoadingWindow *ld )
 
 	InitAll( ld );
 
-	// reload scores afterward
+	// reload scores and unlocks afterward
 	PROFILEMAN->LoadMachineProfile();
+	UNLOCKMAN->Reload();
 
 	PREFSMAN->m_bFastLoad.Set( OldVal );
 

stepmania/src/UnlockManager.cpp

@@ -511,6 +511,16 @@ void UnlockManager::Load()
 	return;
 }
 
+
+void UnlockManager::Reload()
+{
+	// clear old data, if any
+	m_UnlockEntries.clear();
+	m_RouletteCodes.clear();
+
+	Load();
+}
+
 float UnlockManager::PointsUntilNextUnlock( UnlockRequirement t ) const
 {
 	float fScores[NUM_UnlockRequirement];

stepmania/src/UnlockManager.h

@@ -87,6 +87,7 @@ class UnlockManager
 
 public:
 	UnlockManager();
+	void Reload();
 
 	// returns # of points till next unlock - used for ScreenUnlock
 	float PointsUntilNextUnlock( UnlockRequirement t ) const;