don't use 8 bit characters in sources, this results in level 1 warning with VC8 (patch 1841741)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@50458 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/app.h

@@ -195,7 +195,7 @@ public:
     // either should be configurable by the user (then he can change the
     // default behaviour simply by overriding CreateTraits() and returning his
     // own traits object) or which is GUI/console dependent as then wxAppTraits
-    // allows us to abstract the differences behind the common fa<EFBFBD>de
+    // allows us to abstract the differences behind the common facade
     wxAppTraits *GetTraits();