Fix compile warnings

stepmania/src/CodeDetector.cpp

@@ -50,7 +50,7 @@ const CString g_sCodeNames[CodeDetector::NUM_CODES] = {
 	"NextAnnouncer"
 };
 
-const int MAX_CODE_LENGTH = 10;
+const unsigned MAX_CODE_LENGTH = 10;
 
 struct CodeCacheItem {
 	int iNumButtons;

stepmania/src/Course.cpp

@@ -515,7 +515,7 @@ void Course::GetCourseInfo( NotesType nt, vector<Course::Info> &ci, int Difficul
 				for( unsigned j=0; j<AllSongsShuffled.size(); j++ )
 				{
 					/* See if the first song matches what we want. */
-					ASSERT( CurSong < AllSongsShuffled.size() );
+					ASSERT( unsigned(CurSong) < AllSongsShuffled.size() );
 					pSong = AllSongsShuffled[CurSong];
 					ASSERT( pSong );
 					CurSong = (CurSong+1) % AllSongsShuffled.size();

stepmania/src/RageLog.cpp

@@ -259,7 +259,7 @@ static char backlog[BACKLOG_LINES][1024];
 static int backlog_start=0, backlog_cnt=0;
 void RageLog::AddToRecentLogs( CString str )
 {
-	int len = str.size();
+	unsigned len = str.size();
 	if(len > sizeof(backlog[backlog_start])-1)
 		len = sizeof(backlog[backlog_start])-1;
 

stepmania/src/RageSoundReader_Preload.cpp

@@ -6,7 +6,7 @@ const int channels = 2;
 const int samplesize = 2 * channels; /* 16-bit */
 
 /* If a sound is smaller than this, we'll load it entirely into memory. */
-const int max_prebuf_size = 1024*256;
+const unsigned max_prebuf_size = 1024*256;
 
 int SoundReader_Preload::total_samples() const
 {
@@ -24,7 +24,7 @@ bool SoundReader_Preload::Open(SoundReader *source)
 	{
 		float secs = len / 1000.f;
 
-		int pcmsize = int(secs * samplerate * samplesize); /* seconds -> bytes */
+		unsigned pcmsize = unsigned(secs * samplerate * samplesize); /* seconds -> bytes */
 		if(pcmsize > max_prebuf_size)
 			return false; /* Don't bother trying to preload it. */
 

stepmania/src/ScreenCredits.cpp

@@ -207,7 +207,7 @@ ScreenCredits::ScreenCredits() : Screen("ScreenCredits")
 	this->AddChild( &m_ScrollerFrames );
 	
 
-	for( i=0; i<NUM_CREDIT_LINES; i++ )
+	for( i=0; i<int(NUM_CREDIT_LINES); i++ )
 	{
 		BitmapText* pText = new BitmapText;
 		pText->LoadFromFont( THEME->GetPathToF("ScreenCredits titles") );