added synchronize features to dancing

stepmania/src/Song.cpp

@@ -447,6 +447,9 @@ bool Song::LoadSongInfoFromDWIFile( CString sPath )
 		CStringArray arrayValueTokens;
 		split( sValueString, ":", arrayValueTokens );
 
+		if( arrayValueTokens.GetSize() == 0 )
+			continue;
+
 		CString sValueName = arrayValueTokens.GetAt( 0 );
 		sValueName.TrimLeft();
 

stepmania/src/smpackage/smpackage.cpp

@@ -58,8 +58,7 @@ BOOL CSmpackageApp::InitInstance()
 
 	
 	// Make sure the current directory is the root program directory
-	if( !DoesFileExist("Songs") )
-	{
+
 	// change dir to path of the execuctable
 	TCHAR szFullAppPath[MAX_PATH];
 	GetModuleFileName(NULL, szFullAppPath, MAX_PATH);
@@ -76,7 +75,6 @@ BOOL CSmpackageApp::InitInstance()
 		exit( 1 );
 	}
 	
-	}
 
 	// check if there's a .smzip command line argument
 	CStringArray arrayCommandLineBits;