help with tsearch2 stem compile

hi all

i'm using postgresql 8.2.4 and install tsearch2 , but
i need spanish idiom.
following
http://www.sai.msu.su/~megera/postgres/gist/tsearch/V2/docs/README.gendict
and downloading
http://snowball.tartarus.org/algorithms/spanish/stemmer.html
stem.c and stem.h

./config.sh -n pt -s -p spanish_ISO_8859_1 -v
-C'Snowball stemmer for spanish'
Dictname: 'pt'
Snowball stemmer: yes
Has init method: yes
Function prefix: spanish_ISO_8859_1
Source files: stem.c
Header files: stem.h
Object files: stem.o dict_snowball.o
Comment: 'Snowball stemmer for spanish'
Directory: ../../dict_pt
Build directory... ok
Build Makefile... ok
Build dict_pt.sql.in... ok
Copy source and header files... ok
Build sub-include header... ok
Build Snowball stemmer... ok
Build README.pt... ok
All is done

and

cd ../../dict_pt/
make
.
.
.
.
stem.c: In function 'spanish_ISO_8859_1_close_env':
stem.c:1092: error: too many arguments to function
'SN_close_env'
make: *** [stem.o] Error 1

any clue?
best regards

mdc

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