fix WITHOUT_NETWORKING

stepmania/src/ScreenNetSelectMusic.cpp

@@ -1,4 +1,6 @@
 #include "global.h"
+
+#if !defined(WITHOUT_NETWORKING)
 #include "ScreenNetSelectMusic.h"
 #include "ScreenManager.h"
 #include "GameSoundManager.h"
@@ -710,6 +712,8 @@ void ScreenNetSelectMusic::UpdateSongsList()
 		SONGMAN->GetSongs( m_vSongs, m_vGroups[j] );
 }
 
+#endif
+
 /*
  * (c) 2004 Charles Lohr
  * All rights reserved.