typo in doc of permute

Hi,

I found a typo in modgauche.texi. If it is not fixed yet, please
install following patch.

Masatake YAMATO

Index: modgauche.texi
===================================================================
RCS file: /cvsroot/gauche/Gauche/doc/modgauche.texi,v
retrieving revision 1.112
diff -c -r1.112 modgauche.texi
*** modgauche.texi	18 Apr 2008 11:06:02 -0000	1.112
--- modgauche.texi	28 May 2008 09:24:01 -0000
***************
*** 8079,8085 ****

  @example
  (permute '(a b c d) '(3 2 0 1))     @result{} (d c a b)
! (permute '(a b c d) '(0 2))         @result{} (a b)
  (permute '(a b c d) '(0 0 1 1 2 2)) @result{} (a a b b c c)
  @end example

--- 8079,8085 ----

  @example
  (permute '(a b c d) '(3 2 0 1))     @result{} (d c a b)
! (permute '(a b c d) '(0 2))         @result{} (a c)
  (permute '(a b c d) '(0 0 1 1 2 2)) @result{} (a a b b c c)
  @end example