Hide OS X specific callback when not needed

diff --git a/vncviewer/vncviewer.cxx b/vncviewer/vncviewer.cxx
index a60f000a4c65935b2168f2ed88ea3f205f812b80..34bc3be4ee34a35af857b69140be823a397fda4e 100644 (file)
--- a/vncviewer/vncviewer.cxx
+++ b/vncviewer/vncviewer.cxx
@@ -102,10 +102,12 @@ void about_vncviewer()
   fl_message("%s", aboutText);
 }
 
+#ifdef __APPLE__
 static void about_callback(Fl_Widget *widget, void *data)
 {
   about_vncviewer();
 }
+#endif
 
 static void CleanupSignalHandler(int sig)
 {