change mapping for 1252 and 1254

intl/uconv/src/wincharset.properties

@@ -5,9 +5,9 @@ acp.949=EUC-KR
 acp.950=Big5
 acp.1250=windows-1250
 acp.1251=windows-1251
-acp.1252=ISO-8859-1
+acp.1252=windows-1252
 acp.1253=windows-1253
-acp.1254=ISO-8859-4
+acp.1254=windows-1254
 acp.1255=windows-1255
 acp.1256=windows-1256
 acp.1257=windows-1257