mem-hash-map: Fix a left-over from 2001-11-20.
* gnulib-local/lib/mem-hash-map.h (hash_init): Fix comment.
* gnulib-local/lib/mem-hash-map.c (hash_init): Likewise.
* gettext-tools/src/msgl-fsearch.c (message_fuzzy_index_alloc): Don't test the
return value of hash_init.
