Convert wxFSW_EVENT_{WARNING,ERROR} to string correctly.

Previously these types were not handled at all, resulting in asserts.

See #14834.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@72986 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/unix/fswatcher_inotify.cpp

@@ -261,7 +261,7 @@ protected:
         // check out for error/warning condition
         if (flags & wxFSW_EVENT_WARNING || flags & wxFSW_EVENT_ERROR)
         {
-            wxString errMsg = GetErrorDescription(Watcher2NativeFlags(flags));
+            wxString errMsg = GetErrorDescription(nativeFlags);
             wxFileSystemWatcherEvent event(flags, errMsg);
             SendEvent(event);
         }