added new calling conventions for mac

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@11464 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

samples/html/help/help.cpp

@@ -155,11 +155,19 @@
 
       help.UseConfig(wxConfig::Get());
       bool ret;
+#ifdef __WXMAC__
+      ret = help.AddBook(":helpfiles:testing.hhp");
+#else
       help.SetTempDir(".");
       ret = help.AddBook("helpfiles/testing.hhp");
+#endif
       if (! ret)
 	  wxMessageBox("Failed adding book helpfiles/testing.hhp");
+#ifdef __WXMAC__
+      ret = help.AddBook(":helpfiles:another.hhp");
+#else
       ret = help.AddBook("helpfiles/another.hhp");
+#endif
       if (! ret)
 	  wxMessageBox("Failed adding book helpfiles/another.hhp");
    }