Index: src/ch/AboutDlg.cpp
===================================================================
diff -u -N -r328d5100c7f464a4b1fbbbd7ccfa07bf2aaae2cf -rbbc540e8b070fde1b46ea307ded73f47590bc0d8
--- src/ch/AboutDlg.cpp	(.../AboutDlg.cpp)	(revision 328d5100c7f464a4b1fbbbd7ccfa07bf2aaae2cf)
+++ src/ch/AboutDlg.cpp	(.../AboutDlg.cpp)	(revision bbc540e8b070fde1b46ea307ded73f47590bc0d8)
@@ -74,7 +74,7 @@
 	return TRUE;
 }
 
-void CAboutDlg::OnLanguageChanged(WORD /*wOld*/, WORD /*wNew*/)
+void CAboutDlg::OnLanguageChanged()
 {
 	UpdateProgramVersion();
 }