UTF mode of HKSCS characters show ugly

patch from ervin.yan@sun.com
r=ftang,sr=rbs,a=sspitzer

intl/locale/src/langGroups.properties

@@ -59,6 +59,7 @@ tr=tr
 uk=x-cyrillic
 zh-cn=zh-CN
 zh-tw=zh-TW
+zh-hk=zh-TW
 zh=zh-CN
 #
 #==============================