undisable many warnings for VC++ in defs.h and fixed several thousands of them in the sources

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@22222 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/common/textcmn.cpp

@@ -436,6 +436,8 @@ bool wxTextCtrlBase::EmulateKeyPress(const wxKeyEvent& event)
 
         return TRUE;
     }
+#else
+    event;
 #endif // !__WIN32__
 
     return FALSE;