Added missing #if wxUSE_WAVE

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_4_BRANCH@18305 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/mac/wave.h

@@ -17,6 +17,8 @@
 #pragma interface "wave.h"
 #endif
 
+#if wxUSE_WAVE
+
 #include "wx/object.h"
 
 class WXDLLEXPORT wxWave : public wxObject
@@ -38,12 +40,13 @@ protected:
 
 private:
   void* m_sndChan;
-	
+
   wxString m_sndname;
   void* m_hSnd;
   int   m_waveLength;
   bool  m_isResource;
 };
 
+#endif
 #endif
     // _WX_WAVE_H_