Not compilable with nginx 1.5.5

[aufi]

Compilation with nginx 1.5.5 fails on Darwin 12.5.0 x86_64

Undefined symbols for architecture x86_64:
  "_ngx_http_anddos_count_score_httpcode", referenced from:
      _ngx_http_anddos_count_scores in ngx_http_anddos_module.o
  "_ngx_http_anddos_count_score_mimetype", referenced from:
      _ngx_http_anddos_count_scores in ngx_http_anddos_module.o
  "_ngx_http_anddos_set_mimetype_stats", referenced from:
      _ngx_http_anddos_learn_filter in ngx_http_anddos_module.o
ld: symbol(s) not found for architecture x86_64
clang: error: linker command failed with exit code 1 (use -v to see invocation)
make[1]: *** [objs/nginx] Error 1
make: *** [build] Error 2