disable use of #pragma interface under Mac OS X

GNU compiler included with Mac OS X 10.2 (Jaguar) as well as August Developer
Tools update contain a bug concerning #pragma interface handling that can only
be worked around by not using them (and they are not necessary anyways)


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@16895 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

samples/statbar/statbar.cpp

@@ -31,6 +31,7 @@
 // for all others, include the necessary headers
 #ifndef WX_PRECOMP
     #include "wx/app.h"
+    #include "wx/log.h"
     #include "wx/frame.h"
     #include "wx/statusbr.h"
     #include "wx/timer.h"