t0204-gettext-reencode-sanity.sh broken on Mac OS

t0204-gettext-reencode-sanity.sh broken on Mac OS, Git 1.7.9.2

Please see the sniplet when I run it under Mac OS  10.8:

/Torsten

expecting success:
     LANGUAGE=is LC_ALL="$is_IS_iso_locale" gettext "TEST: Old English 
Runes" >runes &&

         if grep "^TEST: Old English Runes$" runes
         then
                 say "Your system can not handle this complexity and 
returns the string as-is"
         else
                 # Both Solaris and GNU libintl will return this stream of
                 # question marks, so it is s probably portable enough
                 printf "TILRAUN: ?? ???? ??? ?? ???? ?? ??? ????? 
??????????? ??? ?? ????" >runes-expect &&
                 test_cmp runes-expect runes
         fi

--- runes-expect 2012-03-04 19:03:26.000000000 +0000 +++ runes 2012-03-04 19:03:26.000000000 +0000