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

samples/fswatcher/fswatcher.cpp

@@ -537,6 +537,10 @@ static wxString GetFSWEventChangeTypeName(int changeType)
         return "ACCESS";
     case wxFSW_EVENT_ATTRIB: // Currently this is wxGTK-only
         return "ATTRIBUTE";
+    case wxFSW_EVENT_WARNING:
+        return "WARNING";
+    case wxFSW_EVENT_ERROR:
+        return "ERROR";
     }
 
     return "INVALID_TYPE";