* bind stats() on filter library load

src/filter.c

@@ -96,6 +96,8 @@ f2b_filter_create(f2b_config_section_t *config, const char *file) {
     goto cleanup;
   if ((*(void **) (&filter->ready)   = dlsym(filter->h, "ready"))   == NULL)
     goto cleanup;
+  if ((*(void **) (&filter->stats)   = dlsym(filter->h, "stats"))   == NULL)
+    goto cleanup;
   if ((*(void **) (&filter->match)   = dlsym(filter->h, "match"))   == NULL)
     goto cleanup;
   if ((*(void **) (&filter->destroy) = dlsym(filter->h, "destroy")) == NULL)

src/filter.h

@@ -18,6 +18,7 @@ typedef struct f2b_filter_t {
   bool  (*append)  (void *cfg, const char *pattern);
   char *(*error)   (void *cfg);
   bool  (*ready)   (void *cfg);
+  bool  (*stats)   (void *cfg, int **matches, char **pattern, bool reset);
   bool  (*match)   (void *cfg, const char *line, char *buf, size_t buf_size);
   void  (*destroy) (void *cfg);
 } f2b_filter_t;