XIM ; Japanese Input seems broken 21.5.9

Hello,

Just installed mule-enabled 21.5.9 on Solaris 8 and noticed 
that no longer can input japanese via xim. Instead of valid 
characters the garbage is input, that seems to be raw euc-jp 
characters as set my locale. The comment in event-Xt.c suggest 
using composed-input-coding-system variable to determine 
coding system for convertion. After initializing this variable 
to coding system for current locale in startup file, 
everything seems to work perfectly. No side efects noticed 
yet. Not sure how conceptual this change is, anyway patch follows.

(setq composed-input-coding-system 
(get-coding-system-from-locale (current-locale)))

Beta 21.5.9 Solaris 8、euc-jp ですが　XIMで　日本語入力して文 
字化けになりました。"composed-input-coding-system"のヴァリアブ 
ルでXIMの出力を変えて使えます。

93a94,95
> Lisp_Object Vcomposed_input_coding_system;
> 
1065c1067
<       (XLSTREAM (fb_instream), Qundecided, CODING_DECODE, 0);
---
>       (XLSTREAM (fb_instream), get_coding_system_for_text_file (Vcomposed_input_coding_system, 0), CODING_DECODE, 0);
3555a3558,3563
> 
>   DEFVAR_LISP("composed-input-coding-system",&Vcomposed_input_coding_system /*
> Use specified coding system for decoding XIM output
> */ );
>   Vcomposed_input_coding_system = Qundecided;
>